Bigfoot, the chupacabra, and thunderbirds aren't just figments of our overactive imaginations-according to thousands of eyewitnesses, they exist, in every corner of the United States. Throughout America's history, shocked onlookers have seen unbelievable creatures of every stripe-from sea serpents to apelike beings, giant bats to monkeymen-in every region. Author, investigator, and creature expert Linda S. Godfrey brings the same fearless reporting she lent to Real Wolfmen to this essential guide, using historical records, present-day news reports, and eyewitness interviews to examine this hidden menagerie of America's homegrown beasts.