Writing as "Calvin M. Knox", Silverberg provided "En Route to Earth", the cover story on the August 1957 issue of Science Fiction QuarterlySilverberg wrote "The Loathsome Beasts", the cover story for the final issue of Super-Science Fiction, under his "Dan Malcolm" pseudonymUnder the "S. M. Tenneshaw" house name, Silverberg and Randall Garrett wrote "The Ultimate Weapon" for Imaginative TalesUnder the "Clyde Mitchell" house name, Silverberg and Randall Garrett wrote "The Mummy Takes a Wife" for FantasticAnother Silverberg-Garrett collaboration, "Deus Ex Machina", credited to "Robert Randall", took the cover of the November 1956 issue of Science Fiction QuarterlySilverberg's "The Fight with the Gorgon" took the cover of the October 1958 issue of Super-Science Fiction
"Thesme and the Ghayrog" (novelette), "The Time of the Burning", "In the Fifth Year of the Voyage" (novelette), "Calintane Explains", "The Desert of Stolen Dreams" (novella), "The Soul Painter and the Shapeshifter" (novelette), "Crime and Punishment", "Among the Dream-Speakers", "A Thief in Ni-Moya" (novella), "Voriax and Valentine"
"The End of the Line" (novelette), "The Book of Changes" (novella), "The Tomb of the Pontifex Dvorn" (novelette), "The Sorcerer's Apprentice" (novelette), "Dark Times at the Midnight Market" (novelette), "The Way They Wove the Spells in Sippulgar" (novelette), "The Seventh Shrine" (novella)
Blood on the Mink (written in 1959, first published in 1962 as "Too Much Blood on the Mink" in Trapped magazine, re-published in 2012 by Hard Case Crime)[2]
"Thesme and the Ghayrog" (novelette), "The Time of the Burning", "In the Fifth Year of the Voyage" (novelette), "Calintane Explains", "The Desert of Stolen Dreams" (novella), "The Soul Painter and the Shapeshifter" (novelette), "Crime and Punishment", "Among the Dream-Speakers", "A Thief in Ni-Moya" (novella), "Voriax and Valentine"
"The End of the Line" (novelette), "The Book of Changes" (novella), "The Tomb of the Pontifex Dvorn" (novelette), "The Sorcerer's Apprentice" (novelette), "Dark Times at the Midnight Market" (novelette), "The Way They Wove the Spells in Sippulgar" (novelette), "The Seventh Shrine" (novella)
Terrestres e estranhos (1968), Portuguese version of Earthmen & Strangers including new Portuguese scifi texts organized by Portuguese writer and publisher Lima Rodrigues[15][16]
Men and Machines (1968)
Voyagers in Time (1967)
How It Was When the Past Went Away (1969) in: Three For Tomorrow (3 short stories by Silverberg, Roger Zelazny, James Blish, foreword Arthur C. Clarke) (1970, Victor Gollancz; 1972, Sphere Books, p. 11-80)
Deep Space: Eight Stories of Science Fiction (1973)
Infinite Jests: The Lighter Side of Science Fiction (1974)
Robots Through the Ages (with Bryan Thomas Schmidt) (2023, Blackstone Publishing, ISBN 979-821238483-4)
Non-fiction
For adults
Sex and the Armed Services (1960, as L. T. Woodward)
Sex and Hypnosis (1961, as L. T. Woodward)
Drummond, Walter (pseud.) (1962). Philosopher of evil.
— (1963). How to spend money.
Silverberg, Robert (1965). The Great Wall of China. Chilton Books.
Cook, Roy (pseud.) (1966). Leaders of labor. Philadelphia: Lippincott.
Kublai Khan: Lord of Xanadu (1966, as Walker Chapman)
The Loneliest Continent: The Story of Antarctic Discovery (1964, as Walker Chapman)
Antarctic Conquest: The Great Explorers in Their Own Words (1966, as Walker Chapman)
The Golden Dream: Seekers of El Dorado (1967, as Walker Chapman)
Sophisticated Sex Techniques in Marriage (1967, as L. T. Woodward)
Mound Builders of Ancient America: The Archeology of a Myth (New York Graphic Society, 1968); Silverberg's fourth-most widely held work in WorldCat libraries
The Realm of Prester John (1972)
Drug Themes in Science Fiction (1974)
Reflections and Refractions: Thoughts on Science Fiction, Science and Other Matters (1997; revised & expanded edition 2016)
Silverberg, Robert (1960). Treasures beneath the sea. Illustrated by Norman Kenyon. Racine: Whitman.
Black, Edgar (pseud.) (1961). Sir Winston Churchill : the compelling life story of one of the towering figures of the 20th Century. Derby, Conn.: Monarch Books.
Silverberg, Robert (1961). First American into space. Derby, Conn.: Monarch Books.
