gnificantly, this name, when referred to in a certain tone or written with capital letters, designates the earth deity of Fremen hearth superstitions. Sandworms grow to enormous size (specimens longer than 400 meters have been seen in the deep desert) and live to great age unless slain by one of their fellows or drowned in water, which is poisonous to them. Most of the sand on Arrakis is credited to sandworm action. (See Little Maker.)

SHARI-A: that part of the panoplia propheticus which sets forth the superstitious ritual. (See Missionaria Protectiva.)

SHADOUT: well-dipper, a Fremen honorific.


SHIELD, DEFENSIVE: the protective field produced by a Holtzman generator. This field derives from Phase One of the suspensor-nullification effect. A shield will permit entry only to objects moving at slow speeds (depending on setting, this speed ranges from six to nine centimeters per second) and can be shorted out only by a shire-sized electric field. (See Lasgun.)

SHIELD WALL: a mountainous geographic feature in the northern reaches of Arrakis which protects a small area from the full force of the planet's coriolis storms.

SHIGAWIRE: metallic extrusion of a ground vine (Narvi narviium) grown only on Salusa Secundus and III Delta Kaising. It is noted for extreme tensile strength.

SIETCH: Fremen: "Place of assembly in time of danger." Because the Fremen lived so long in peril, the term came by general usage to designate any cave warren inhabited by one of their tribal communities.

SIHAYA: Fremen: the desert springtime with religious overtones implying the time of fruitfulness and "the paradise to come."

SINK: a habitable lowland area on Arrakis surrounded by high ground that protects it from the prevailing storms.

SINKCHART: map of the Arrakis surface laid out with reference to the most reliable paracompass routes between places of refuge. (See Paracompass.)

SIRAT: the passage in the O.C. Bible that describes human life as a journey across a narrow bridge (the Sirat) with "Paradise on my right, Hell on my left, and the Angel of Death behind."

SLIP-TIP: any thin, short blade (often poison-tipped) for left-hand use in shield fighting.

SNOOPER, POISON: radiation analyzer within the olfactory spectrum and keyed to detect poisonous substances.

SOLARI: official monetary unit of the Imperium, its purchasing power set at quatricentennial negotiations between the Guild, the Landsraad, and the Emperor.

SOLIDO: the three-dimensional image from a solido projector using 360-degree reference signals imprinted on a shigawire reel. Ixian solido projectors are commonly considered the best.

SONDAGI: the fern tulip of Tupali.

SOO-SOO SOOK!: water-seller's cry on Arrakis. Sook is a market place. (See Ikhut-eigh!)


SPICE: see Melange.

SPICE DRIVER: any Dune man who controls and directs movable machinery on the desert surface of Arrakis.

SPICE FACTORY: see Sandcrawler.

SPOTTER CONTROL: the light ornithopter in a spice-hunting group charged with control of watch and protection.

STILLSUIT: body-enclosing garment invented on Arrakis. Its fabric is a micro-sandwich performing functions of heat dissipation and filter for bodily wastes. Reclaimed moisture is made available by tube from catchpockets.

STILLTENT: small, sealable enclosure of micro-sandwich fabric designed to reclaim as potable water the ambient moisture discharged within it by the breath of its occupants.

STUNNER: slow-pellet projectile weapon throwing a poison-or drug-tipped dart. Effectiveness limited by variations in shield settings and relative motion between target and projectile.

SUBAKH UL KUHAR: "Are you well?": a Fremen greeting.

SUBAKH UN NAR: "I am well. And you?": traditional reply.

SUSPENSOR: secondary (low-drain) phase of a Holtzman field generator. It nullifies gravity within certain limits prescribed by relative mass and energy consumption.


TAHADDI AL-BURHAN: an ultimate test from which there can be no appeal (usually because it brings death or destruction).

TAHADDI CHALLENGE: Fremen challenge to mortal combat, usually to test some primal issue.

TAQWA: literally: "The price of freedom." Something of great value. That which a deity demands of a mortal (and the fear provoked by the demand).

TAU, THE: in Fremen terminology, that oneness of a sietch community enhanced by spice diet and especially the tau orgy of oneness elicited by drinking the Water of Life.

TEST-MASHAD: any test in which honor (defined as spiritual standing) is at stake.

THUMPER: short stake with spring-driven clapper at one end. The purpose: to be driven into the sand and set "thumping" to summon shai-hulud. (See Maker hooks.) TIDAL DUST BASIN: any of the extensive depressions in the surface of Arrakis which have been filled with dust over the centuries and in which actual dust tides (see Sandtides) have been measured.

TLEILAX: lone planet of Thalim, noted as renegade training center for Mentats; source of "twisted" Mentats.

T-P: idiomatic for telepathy.

TRAINING: when applied to Bene Gesserit, this otherwise common term assumes special meaning, referring to that conditioning of nerve and muscle (see Bindu and Prana) which is carried to the last possible notch permitted by natural function.

TROOP CARRIER: any Guild ship designed specifically for transport of troops between planets.

TRUTHSAYER: a Reverend Mother qualified to enter truthtrance and detect insincerity or falsehood.

TRUTHTRANCE: semihypnotic trance induced by one of several "awareness spectrum" narcotics in which the petit betrayals of deliberate falsehood are apparent to the truthtrance observer. (Note: "awareness spectrum" narcotics are frequently fatal except to desensitized individuals capable of transforming the poison-configuration within their own bodies.) TUPILE: so-called "sanctuary planet" (probably several planets) for defeated Houses of the Imperium. Location(s) known only to the Guild and maintained inviolate under the Guild Peace.


ULEMA: a Zensunni doctor of theology.

UMMA: one of the brotherhood of prophets. (A term of scorn in the Imperium, meaning any "wild" person given to fanatical prediction.) UROSHNOR: one of several sounds empty of general meaning and which Bene Gesserit implant within the psyches of selected victims for purposes of control. The sensitized person, hearing the sound, is temporarily immobilized.

USUL: Fremen: "The base of the pillar."


VAROTA: famed maker of balisets; a native of Chusuk.

VERITE: one of the Ecaz will-destroying narcotics. It renders a person incapable of falsehood.

VOICE: that combined training originated by the Bene Gesserit which permits an adept to control others merely by selected tone shadings of the voice.


WALI: an untried Fremen youth.

WALLACH IX: ninth planet of Laoujin, site of the Mother School of the Bene Gesserit.

WAR OF ASSASSINS: the limited form of warfare permitted under the Great Convention and the Guild Peace. The aim is to reduce involvement of innocent bystanders. Rules prescribe formal declaration of intent and restrict permissible weapons.

WATER BURDEN: Fremen: a mortal obligation.

WATERCOUNTERS: metal rings of different size, each designating a specific amount of water payable out of Fremen stores. Watercounters have profound significance (far beyond the idea of money) especially in birth, death, and courtship ritual.

WATER DISCIPLINE: that harsh training which fits the inhabitants of Arrakis for existence there without wasting moisture.

WATERMAN: a Fremen consecrated for and charged with the ritual duties surrounding water and the Water of Life.

WATER OF LIFE: an "illuminating" poison (see Reverend Mother). Specifically, that liquid exhalation of a sandworm (see Shai-hulud) produced at the moment of its death from drowning which is changed within the body of a Reverend Mother to become the narcotic used in the sietch tau orgy. An "awareness spectrum" narcotic.

WATERTUBE: any tube within a stillsuit or stilltent that carries reclaimed water into a catchpocket or from the catchpocket to the wearer.

WAY, BENE GESSERIT: use of the minutiae of observation.

WEATHER SCANNER: a person trained in the special methods of predicting weather on Arrakis, including ability to pole the sand and read the wind patterns.

WEIRDING: idiomatic: that which partakes of the mystical or of witchcraft.

WINDTRAP: a device placed in the path of a prevailing wind and capable of precipitating moisture from the air caught within it, usually by a sharp and distinct drop in temperature within the trap.


YA HYA CHOUHADA: "Long live the fighters!" The Fedaykin battle cry. Ya (now) in this cry is augmented by the hya form (the ever-extended now). Chouhada (fighters) carries this added meaning of fighters against injustice. There is a distinction in this word that specifies the fighters are not struggling for anything, but are consecrated against a specific thing--that alone.

YALI: a Fremen's personal quarters within the sietch.

YA! YA! YAWM!: Fremen chanting cadence used in time of deep ritual significance. Ya carries the root meaning of "Now pay attention!" The yawm form is a modified term calling for urgent immediacy. The chant is usually translated as "Now, hear this!"


ZENSUNNI: followers of a schismatic sect that broke away from the teachings of Maometh (the so-called "Third Muhammed") about 1381 B.G. The Zensunni religion is noted chiefly for its emphasis on the mystical and a reversion to "the ways of the fathers." Most scholars name Ali Ben Ohashi as leader of the original schism but there is some evidence that Ohashi may have been merely the male spokesman for his second wife, Nisai.


Basis for latitude: meridian through Observatory Mountain.

Baseline for altitude determination: the Great Bled.

Polar Sink: 500 m. below Bled level.

Carthag: about 200 km. northeast of Arrakeen.

Cave of Birds: in Habbanya Ridge.

Funeral Plain: open erg.

Great Bled: open, flat desert, as opposed to the erg-dune area. Open desert runs from about 60deg north to 70deg south. It is mostly sand and rock, with occasional outcroppings of basement complex.

Great Flat: an open depression of rock blending into erg. It lies about 100 m. above the Bled. Somewhere in the Flat is the salt pan which Pardot Kynes (father of Liet-Kynes) discovered. There are rock outcroppings rising to 200 m. from Sietch Tabr south to the indicated sietch communities.

Harg Pass: the Shrine of Leto's skull overlooks this pass.

Old Gap: a crevasse in the Arrakeen Shield Wall down to 2240 m.; blasted out by Paul Muad'Dib.

Palmaries of the South: do not appear on this map. They lie at about 40deg south latitude.

Red Chasm: 1582 m. below Bled level.

Rimwall West: a high scarp (4600 m.) rising out of the Arrakeen Shield Wall.

Wind Pass: cliff-walled, this opens into the sink villages.

Wormline: indicating farthest north points where worms have been recorded. (Moisture, not cold, is determining factor.)

Afterword by Brian Herbert

I KNEW Frank Herbert for more than thirty-eight years. He was a magnificent human being, a man of great honor and distinction, and the most interesting person at any gathering, drawing listeners around him like a magnet. To say he was an intellectual giant would be an understatement, since he seemed to contain all of the knowledge of the universe in his marvelous mind. He was my father, and I loved him deeply.

Nonetheless, a son's journey to understand the legendary author was not always a smooth one, as I described in my biography of him, Dreamer of Dune. Growing up in Frank Herbert's household, I did not understand his need for absolute silence so that he could concentrate, the intense desire he had to complete his important writing projects, or the confidence he had that one day his writing would be a success, despite the steady stream of rejections that he received. To my young eyes, the characters he created in Dune and his other stories were the children of his mind, and they competed with me for his affections. In the years it took him to write his magnum opus, he spent more time with Paul Atreides than he did with me. Dad's study was off-limits to me, to my sister Penny, and to my brother Bruce. In those days, only my mother Beverly really understood Dad's complexities. Ultimately, it was through her love for him, and the love he gave back to her, that I came to see the nurturing, loving side of the man.

By that time I was in my mid-twenties, having rebelled against his exacting ways for years. When I finally saw the soul of my father and began to appreciate him for the care he gave my mother when she was terminally ill, he and I became the best of friends. He helped me with my own writing career by showing me what editors wanted to see in books; he taught me how to construct interesting characters, how to build suspense, how to keep readers turning the pages. After perusing an early draft of Sidney's Comet (which would become my first published novel), he marked up several pages and then wrote me this note: "These pages ... show how editing tightens the story. Go now and do likewise." It was his way of telling me that he could open the door for me and let me peek through, but I would have to complete the immense labors involved with writing myself.

Beverly Herbert was the window into Frank Herbert's soul. He shared that reality with millions of readers when he wrote a loving, three-page tribute to her at the end of Chapterhouse: Dune, describing their life together. His writing companion and intellectual equal, she suggested the title for that book, and she died in 1984 while he was writing it. Earlier in Dune, Frank Herbert had modeled Lady Jessica Atreides after Beverly Herbert, with her dignified, gentle ways of influence, and even her prescient abilities, which my mother actually possessed. He also wrote of "Lady Jessica's latent (prophetic) abilities," and in this he was describing my mother, thinking of all the amazing paranormal feats she had accomplished in her lifetime. In an endearing tone, he often referred to her as his "white witch," or good witch. Similarly, throughout the Dune series, he described the heroic Ben Gesserit women as "witches."

Dune is the most admired science fiction novel ever written and has sold tens of millions of copies all over the world, in more than twenty languages. It is to science fiction what the Lord of the Rings trilogy is to fantasy, the most highly regarded, respected works in their respective genres. Of course, Dune is not just science fiction. It includes strong elements of fantasy and contains so many important layers beneath the story line that it has become a mainstream classic. As one dimension of this, just look at the cover on the book in your hands, the quiet dignity expressed in the artwork.

The novel was first published in hardcover in 1965 by Chilton Books, best known for their immense auto-repair novels. No other publisher would touch the book, in part because of the length of the manuscript. They felt it was far too long at 215,000 words, when most novels of the day were only a quarter to a third that length. Dune would require immense printing costs and a high hardcover price for the time, in excess of five dollars. No science fiction novel had ever commanded a retail price that high.

Publishers also expressed concern about the complexity of the novel and all of the new, exotic words that the author introduced in the beginning, which tended to slow the story down. One editor said that he could not get through the first hundred pages without becoming confused and irritated. Another said that he might be making a huge mistake in turning the book down, but he did so anyway.

Initial sales of the book were slow, but Frank Herbert's science fiction--writing peers and readers recognized the genius of the work from the beginning, awarding it the coveted Nebula and Hugo awards for best novel of the year. It was featured in The Whole Earth Catalog and began to receive excellent reviews, including one from the New York Times. A groundswell of support was building.

In 1969, Frank Herbert published the first sequel, Dune Messiah, in which he warned about the dangers of following a charismatic leader and showed the dark side of Paul Atreides. Many fans didn't understand this message, because they didn't want to see their superhero brought down from his pedestal. Still, the book sold well, and so did its predecessor. Looking back at Dune, it is clear that Dad laid the seeds of the troublesome direction he intended to take with his hero, but a lot of readers didn't want to see it. John W. Campbell, the editor of Analog who made many useful suggestions when Dune was being serialized, did not like Dune Messiah because of this Paul Atreides issue.

Having studied politics carefully, my father believed that heroes made mistakes ... mistakes that were simplified by the number of people who followed such leaders slavishly. In a foreshadowing epigraph, Frank Herbert wrote in Dune: "Remember, we speak now of the Muad'Dib who ordered battle drums made from his enemies' skins, the Muad'Dib who denied the conventions of his ducal past with a wave of the hand, saying merely: 'I am the Kwisatz Haderach. That is reason enough.' " And in a dramatic scene, as Liet-Kynes lay dying in the desert, he remembered the long-ago words of his own father: "No more terrible disaster could befall your people than for them to fall into the hands of a Hero."

By the early 1970s, sales of Dune began to accelerate, largely because the novel was heralded as an environmental handbook, warning about the dangers of destroying the Earth's finite resources. Frank Herbert spoke to more than 30,000 people at the first Earth Day in Philadelphia, and he toured the country, speaking to enthusiastic college audiences. The environmental movement was sweeping the nation, and Dad rode the crest of the wave, a breathtaking trip. When he published Children of Dune in 1976, it became a runaway bestseller, hitting every important list in the country.

Children of Dune was the first science fiction novel to become a New York Times bestseller in both hardcover and paperback, and sales reached into the millions. After that, other science fiction writers began to have their own bestsellers, but Frank Herbert was the first to obtain such a high level of readership; he brought science fiction