It dwells in a dark lake in the Scottish Highlands--so says the legend of the Loch Ness Monster. For thousands of years, people have told stories of "Nessie," the giant water creature with a long neck and flippers. But is it real or a hoax? Scientists and historians seeking the truth debate conspiracy theories about the secretive animal, while tourists line the shores, watching for proof. For readers age 12 and up, this title investigates the phenomena surrounding Nessie, from historical accounts and popular myths to evidence and notable sleuths. Includes a glossary, index, sidebars, and further resources.