Three Men Seeking Monsters: Six Weeks in Pursuit of Werewolves, Lake Monsters, Giant Cats, Ghostly Devil Dogs, and Ape-Men, Paraview Pocket Books, 2004
The Hunt for the Buru: The True Story of the Search for a Prehistoric Reptile in North India by Ralph Izzard, first published in 1951, and reprinted by Linden Publishing, 2001
The Ghost With Trembling Wings: Science, Wishful Thinkng, and the Search for Lost Species / Northpoint Press, 2002
The Field Guide to Lake Monsters, Sea Serpents and Other Mystery Denizens of the Deep (with Loren Coleman), Tarcher Penguin, 2003
The Field Guide to Lake Monsters, Sea Serpents and Other Mystery Denizens of the Deep (with Patrick Huyghe), Tarcher Penguin, 2003