* The Book of Heroes (1978)
* Paradise Snare (1978)
* Voices from the Ice (1980)
* Shadow Over Santa Clara (1981)
* City in the Swamp (1983)
* Tiger Lily (1985)
* The Sword and the Crown (1987)
* The Legend of the Red Knight (1989)
* The Secret of the Sacred Mountain (1991)
* The Riddle of the Forgotten Temple (1993)
* The Curse of the Golden Skull (1995)
Short stories
* "The Last Hero" (1977)
* "The Man Who Loved Death" (1978)
* "The Ghost of Captain Kidd" (1979)
* "The Secret of the Forbidden City" (1980)
* "The Treasure of the Lost Lagoon" (1981)
* "The Return of the Phoenix" (1982)
* "The Curse of the Mummy's Tomb" (1983)
* "The Horror of Frankenstein's Monster" (1984)
* "The Dracula Vampire Mystery" (1985)
* "The Werewolf of London" (1986)
* "The Invisible Man" (1987)
* "The Island of Dr. Moreau" (1988)
* "The Time Machine" (1989)
* "The War of the Worlds" (1990)
* "The First Men in the Moon" (1991)
Other works
* The Young Adventurer's Guide to the Ancient World (1982)
* The Young Adventurer's Guide to the Middle Ages (1983)
* The Young Adventurer's Guide to the Renaissance (1984)
* The Young Adventurer's Guide to the Age of Exploration (1985)
* The Young Adventurer's Guide to the American Revolution (1986)
* The Young Adventurer's Guide to the Civil War (1987)
* The Young Adventurer's Guide to the Wild West (1988)
* The Young Adventurer's Guide to the Space Age (1989)
* The Young Adventurer's Guide to the Future (1990)