Outros trabalhos

(book) "Adam and Eve on a Raft: Mystery Stories". Norfolk, VA: Crippen & Landru Publishers, 2001. ISBN 1885941587

(book) "The Adventurous Decade: Comic Strips in the Thirties". New Rochelle, NY: Arlington House, 1975. ISBN 087000252X

(novel) "after things fell apart". New York: ACE, 1970. ISBN 0441009514

(novel, with Glen A. Larson) "Battlestar Galactica 8: Greetings From Earth". Reissue edition. New York: Berkley Publishing, 1984. ISBN 0425076962

(novel, with Glen A. Larson) "Battlestar Galactica 10: The Long Patrol". New York: Berkley Publishing, 1984 ISBN 0425071057

(novel) "Brainz, Inc.". New York: DAW, 1985. ISBN 0886770424

(novel) "Brinkman". Holicong, PA: Wildside Press, 2001. ISBN 1587154765

(book) "Broke Down Engine, and Other Troubles with Machines". New York: MacMillan, 1971

(novel) "Capricorn One". New York: Fawcett, 1978. ISBN 0449140245

(novel) "Challengers of the Unknown". New York: Dell Publishing, 1977. ISBN 0440113377

(novel) "The Chameleon Corps & Other Shape Changers". New York: Macmillan, 1972.

(book) "Cheap Thrills: The Amazing, Thrilling, Astonishing History of Pulp Fiction". Revised and enlarged edition. Hermes Press, 2005). ISBN 1932563717

(book) "Cheap Thrills: An Informal History of the Pulp Magazines". New Rochelle, NY: Arlington House, 1972. ISBN 0870001728

(novel) "Clockwork's Pirates". New York: Ace Books, 1971.

(book) "Comic Book Culture: An Illustrated History". Portland, OR: Collectors Press, Inc., 2000. ISBN 1888054387

(novel) "When the Waker Sleeps". New York: DAW, 1975. ISBN 0879972106

(novel) "What's Become of Screwloose?". New York: DAW, 1973. ISBN 087997060X

(book, with Byron Preiss) "Weird Heroes: Eye of the Vulture". New York: Jove, 1977. ISBN 0515042935

(novel) "Vampirella No. 1: Bloodstalk". New York: Warner Books, 1975. ISBN 0446769282

(novel) "Vampirella # 2: On Alien Wings". New York: Warner Books, 1975. ISBN 0446769290

(novel) "Vampirella No. 3: Deadwalk". New York: Warner Books, 1976. ISBN 0446769304

(novel) "Vampirella #4: Blood Wedding". New York: Warner Books. ISBN 0446860883

(novel) "Vampirella #5: Deathgame". New York: Warner Books, 1976. ISBN 0446860891

(novel) "Upside Downside". New York: DAW, 1982 ISBN 0879976977

(novel) "Tin Angel". New York: DAW, 1973. ISBN 0879970839

(novel) "The Tijuana Bible". New York: St. Martin's Press, 1989. ISBN 0312034407

(novel) "A Talent for the Invisible". New York: DAW, 1973. ISBN 0879970375

(novel) "A Talent for the Invisible". New York: Daw, 1973. ISBN 1199321788

(novel) "The Sword Swallower". Doubleday, 1968.

(novel) "Suicide, Inc.". New York: Berkley, 1985. ISBN 0425075869

(book) "Masked Marvels and Jungle Queens: Great Comic Book Covers of the '40s". Taylor Publishing Company, 1994. ISBN 0878338349

(novel) "Murder for Dummies: A Christmas Story". Mysterious Bookshop, 1996.

(novel) "Murder in Studio 221B". Mysterious Bookshop, 1999.

(book) "Year of the Bat". Pub Group West, 1989. ISBN 9990745439

(novel) "The Wisemann Originals". New York: Walker & Company, 1989. ISBN 0802757227

(book) "William Shatner's Tekworld". New York: Marvel Enterprises, 1994. ISBN 0871359855

(novel) "Wildsmith". New York: Ace Books, 1972.

(novel) "The Wicked Cyborg". New York: DAW, 1978. ISBN 0879974117

(novel) "A Whiff of Madness". New York: DAW, 1976. ISBN 0879972505

(book) "Magic Tiger". New York; Pocket Books, 1983. ISBN 0671452525

(novel) "Line Up Tough Guys". Los Angeles: Sherbourne Press, 1966.

(novel) "Hellquad". New York: DAW, 1984. ISBN 0879979496

(novel) "Hello Lemoria Hello". New York: DAW, 1979. ISBN 0879974516

(novel) "Hail Hibbler". New York: DAW, 1980. ISBN 0879975571

(novel) "The Hellhound Project". Garden City, NY: Doubleday, 1975. ISBN 0385062753

(novel) "Groucho Marx, Private Eye". New York: St. Martin's Press, 1999. ISBN 0312198957

(novel) "Groucho Marx, Secret Agent". New York: St. Martin's Minotaur, 2002. ISBN 031228005X

(novel) "Groucho Marx, Master Detective". New York: St. Martin's Press, 1998. ISBN 031218106X

(novel) "Groucho Marx, King of the Jungle". New York: St. Martin's Minotaur, 2005 ISBN 031232216X

(book) "The Great Comic Book Artists". New York: St. Martin's Press, 1986. ISBN 0312345577