When he was eight years old, Tom Derringer discovered his father's journal and learned that the late Jack Derringer was a professional adventurer. For the next eight years Tom studied and trained to follow in his father's footsteps.Then in 1882, when a mysterious flying object appeared in the Arizona sky, Tom set out after it -- and he and his plucky companion Betsy Vanderhart found themselves pursuing a would-be conqueror through the skies and jungles of Mexico...
A would-be conqueror had accused Tom Derringer of being a part of Gabriel Trask's cabal of spies and assassins.Tom had never heard of Gabriel Trask.The experts of the Pierce Archives knew only that Mr. Trask had some connection with the late Emperor Norton, self-proclaimed Emperor of the United States and Protector of Mexico, so Tom set out across the continent in pursuit of the truth. Did Trask truly control spies and assassins?And if so, had Tom made himself their target? Someone was certainly taking an unwelcome interest in Tom's activities...
In 1884 the "Bone Wars" between rival paleontologists were in full swing, driving fossil hunters to outrageous lengths in pursuit of the latest finds, when reports came out of the Wasatch Mountains in the Utah Territory of the most amazing discovery yet. An adventurer went into the mountains to investigate - and he didn't come back.Fresh from his adventures in the tunnels under Los Angeles, Tom Derringer is hired to find the missing man. With his assistant Betsy Vanderhart he sets out into the wilderness, where he finds more than he bargained for...