Books by Michael O'Hearn
The El Dorado map
Awesome space robots
This or that history debate
Ghosts vs. witches
How Spirit Dog made the Milky Way
Allosaurus vs. Brachiosaurus
Dilosaurus vs. Ankylosaurus
Dilosaurus vs. Ankylosaurus
Gong ye shi shang de wei da fa ming
Spinosaurus vs. Giganotosaurus
The kids' guide to monster trucks
Mato the bear and Devil's Towe
Mato the bear and Devil's Tower
The story of the New England Patriots
The story of the Chicago White Sox
The story of the St. Louis Cardinals
Henry Ford and the Model T
Jake Burton Carpenter and the snowboard