What is Sasquatch? Thousands of people believe in it. Hundreds say they have seen it. But the mystery of Sasquatch has not been solved . . . Sasquatch, also known as Bigfoot, is a cryptid--a creature of cryptozoology. Cryptozoology is the study of creatures not recognized by traditional science, and it is the quest to understand things that cannot be proven via ordinary channels. Kelly Milner Halls interviews cryptozoologists, linguistics experts,...