21 books
Haunted Copper Country
Forbidden Bigfoot
Backyard Phenomena
Confronting Sasquatch
Bigfoot, Mummies, and Aliens
Revenge of the Ancient Ones
Traces of Bigfoot
The Faces of Bigfoot Collection
The Bigfoot Effect
Faces of Bigfoot 2
Top Secret Sasquatch
Faces of Bigfoot
Creature of Controversy
Relic of the Ancient Ones
Bigfoot Beginnings
Forgotten Tales of Michigan's Upper Peninsula
The Evolution Conspiracy, Volume 1
Strange Michigan
Backyard Bigfoot
Lord of the Dead
The Hunt for Bigfoot