History's most enduring mysteries and legends involve tales so incredible that they blur the line between fact and fantasy. This nonfiction series for age 12 and up examines current evidence surrounding Bigfoot, alien activity, and other mythical creatures and sites, as well as related conspiracy theories, cover-ups, hoaxes, and famous sleuths. The truth is out there--uncover it! Best known from the fuzzy 1967 Patterson film, Bigfoot (Sasquatch) is a large apelike creature that allegedly roams the Pacific Northwest. Variations are said to exist around the world, including the yeti and yowie. But is this creature real or a hoax? Scientists and historians seeking the truth debate conspiracy theories about the "ape man" and its origins, while unverified facts continue to fuel people's imaginations. For readers age 12 and up, this title investigates the phenomena surrounding Bigfoot, from historical accounts and popular myths to evidence and notable sleuths. Includes a glossary, index, sidebars, and further resources.