Book excerpt: Many people believe a giant ape inhabits the American Northwest. Known as Bigfoot or Sasquatch, this beast is one of the most popular of all cryptids. See how scientists analyze the most famous sightings of this amazing animal, including the most controversial encounter of all: Roger Patterson's 1967 Bigfoot film from Bluff Creek, California. Bigfoot: Fact or Fiction? follows the footprint trail of the Yeti of the Himalayas and the Australian Yowie, Bigfoot's relatives from distant lands. This interesting book presents the evidence so readers can decide for themselves whether these creatures exist in the real world or if they simply reside in the human imagination.