Barry N. Malzberg was Guest of Honor for Readercon 4. He is the author of the novels Screen (The Olympia Press hc/pb, 1968; erotic literary), Oracle Of A Thousand Hands (The Olympia Press hc, 1968; erotic literary), The Empty People (as by K. M. O'Donnell, Lancer, 1969), Dwellers Of The Deep (as by K.M. O'Donnell, Ace Double, 1970 ), In My Parent's Bedroom (Olympia Press, 1970; literary), Confessions of Westchester County (The Olympia Press pb, 1971; erotic literary), The Falling Astronauts (Ace, 1971), Gather in the Hall of the Planets (as by K. M. O'Donnell, Ace Double, 1971), In My Parents" Bedroom (The Olympia Press pb, 1971; erotic literary), The Spread (Belmont, 1971; erotic literary), Universe Day (as by K. M. O'Donnell, Avon, 1971), Horizontal Woman (Leisure, 1972; Leisure, 1977 as The Social Worker; erotic literary), Overlay (Lancer, 1972), Beyond Apollo (1972, Random House/Carroll & Graf), which won the John W. Campbell Award, The Masochist (Tower, 1972; erotic literary), Revelations (Warner/Avon, 1972), In the Enclosure (Avon, 1973), Herovit's World (Random House/Pocket, 1973; slipstream), The Men Inside (Lancer, 1973), Underlay (Avon/International Polygonic, 1974; mainstream), Guernica Night (Bobbs-Merrill hc, 1974; Nebula finalist), The Destruction of the Temple (Pocket, 1974), Tactics of Conquest (Pyramid, 1974), The Day Of The Burning (Ace, 1974), On a Planet Alien (Pocket, 1974), The Sodom and Gomorrah Business (Pocket, 1974), Conversations (Bobbs-Merrill hc, 1975; ya), Galaxies (Pyramid/Gregg Press/Carroll & Graf, 1975; selected by David Pringle for Science Fiction: The 100 Best Novels), The Gamesman (Pocket, 1975), The Running of Beasts (with Bill Pronzini; Putnam's/Black Lizard, 1976; suspense), Scop (Pyramid, 1976), Acts of Mercy (with Bill Pronzini; Putnam's/Leisure, 1977; suspense), The Last Transaction (Pinnacle, 1977), Chorale (Doubleday, 1978), Night Screams (with Bill Pronzini, Playboy Press hc/pb, 1979; suspense), Prose Bowl (with Bill Pronzini, St. Martin's hc, 1980), The Cross of Fire (Ace, 1982), and The Remaking of Sigmund Freud (Del Rey, 1985; Nebula and Philip K. Dick Award finalist).

His collection of SF criticism and essays, Engines of the Night (Doubleday/Bluejay, 1982), was a Hugo finalist for Best Non-Fiction, won the 1983 Locus Award for Best Non-Fiction and included the Nebula short story finalist "Corridors." His novelettes "Final War" and "A Galaxy Called Rome" were Nebula finalists for 1968 and 1975 respectively; "In the Stone House" (from Alternate Kennedys, Resnick, ed.) was a Hugo finalist for novelette in 1992. His Hugo and Nebula finalist "Understanding Entropy" is in Nebula Awards 30 (Sargent, ed; Harcourt Brace, 1996). Breakfast in the Ruins (essays on science fiction) was published by Baen Books in April 2007.

His short story collections are Final War and Other Fantasies (as by K. M. O'Donnell, Ace Double, 1969), In the Pocket and Other S-F Stories (as by K. M. O'Donnell, Ace Double, 1971), Out from Ganymede (Warner, 1974), The Many Worlds of Barry Malzberg (Popular, 1975), The Best of Barry N. Malzberg (Pocket, 1976), Down Here In the Dream Quarter (Doubleday, 1976), Malzberg at Large (Ace, 1979; reprints), and The Man Who Loved the Midnight Lady (Doubleday, 1980). His stories have appeared in Best SF: 1968, 1970, 1971 and 1975 (Harrison and Aldiss, eds.), 1972 World's Best SF (Wollheim, ed.), The Best Science Fiction of the Year #10 (Carr, ed.), Best Detective Stories 1972 (ed. Hubin) and 1979 (Hoch, ed.), The Year's Best Mystery and Suspense 1981 and 1992 (ed. Hoch) and the Second Year's Best Fantasy (Datlow and Windling, eds.).

His uncollected short fiction can be found in Mars, We Love You (Hipolito and McNelly, eds.), Every Crime in the Book (Mystery Writers of America), The Liberated Future (Hoskins, ed.), Final Stage (Ferman and Malzberg, eds.), The Graduated Robot, Journey to Another Star, Long Night of Waiting, The Missing World, Science Fiction Adventures from Way Out, Survival from Infinity, and Vampires, Werewolves and Other Monsters (all Elwood, ed.), Miniature Mysteries and 100 Great Science Fiction Short Short Stories (both Asimov, Greenberg and Olander, eds.), Tricks and Treats (Gores and Pronzini, eds.), 101 Mystery Stories (Pronzini and Greenberg, eds.), Graven Images (Ferman, ed.), Laughing Space (Asimov and Jeppson, eds.), Shadows 2, 3 and 4, and Horrors (all Charles L. Grant, ed.), Dark Lessons (Muller and Pronzini, eds.), The Science Fictional Olympics (Asimov, Greenberg and Waugh, eds.), Chrysalis 5 (Torgeson, ed.), Tales of the Dead (Pronzini, ed.), Bug Eyed Monsters (Pronzini and Malzberg, eds.), The Second and Seventh Omni Books of Science Fiction (Datlow, ed.), New Dimensions 12 (Randall, ed.), Microcosmic Tales (Asimov, Carr and Greenberg, eds.), Asimov's Aliens and Outworlders (McCarthy, ed.), Speculations (Asimov and Laurance, eds.), Witches (Asimov, ed.), Triumph of the Night (Phillips, ed.), Universe 15 (Carr, ed.), In the Field of Fire (Dann and Dann, eds.), Shaggy B.E.M.

Stories, Alternate Presidents and Alternate Kennedys (all Resnick, ed.), Tropical Chills (Sullivan, ed.), A Treasury of American Mystery Stories (McSherry, Waugh and Greenberg, eds.), Phantoms, Dragon Fantastic, and Horse Fantastic (all Greenberg and Greenberg, eds.), What Might Have Been? Vols. 1 and 2 (Benford and Greenberg, eds.), Foundation's Friends and After the King (Greenberg, ed.), Dick Tracy: The Secret Files (Collins and Greenberg, eds.), Universe 1 and 2 (Silverberg and Haber, eds.), Full Spectrum 3 (Aronica, Stout and Mitchell, eds.), Machines that Kill (Saberhagen, ed.), Stalkers (Gorman and Greenberg, eds.), MetaHorror (Etchison, ed.), and a number of other anthologies in the last two years; and in Fantastic Stories, F&SF, Amazing, Mike Shayne's Mystery Magazine, Eternity, Alfred Hitchcock's Mystery Magazine, Asimov's, Skullduggery, Analog, Fantasy Book, Omni, Espionage, NonStop Science Fiction Magazine, Realms of Fantasy, Twilight Zone, and more. F&SF devoted a special section to Malzberg in the June 2003 issue.

He is also the author of the novelization of the film Phase IV (Pocket, 1973), of thirteen novels as Mel Johnson and one as Claudine Dumas for Midwood Press, of five novels as Gerrold Watkins and one as Francine Di Natale for The Traveller's Companion series, of the first 14 novels in the Lone Wolf series from Berkeley as Mike Barry, of a novel for Warner as Howard Lee and of one for Playboy Press as Lee W. Mason. He lives in Teaneck, New Jersey with his wife Joyce.