Matt Bougie 
Bigfoot, the Loch Ness Monster, and Unexplained Creatures [PDF ebook] 

For many centuries, unexplained creatures have caused people to go on epic searches around the world. Some enduring legends that have tested and tried many an adventurer are Bigfoot and the Loch Ness Monster. This book explores the best-known tales associated with these legends and presents scientific approaches that many have undertaken to prove these legends true. Full of photographs, eyewitness accounts, hoaxes, and scientific evidence, this book examines the status of these creatures, from the legendary to the real.