Cryptozoology is the study of mysterious creatures that fall between the realm of real and imaginary on the scientific spectrum. Cryptid Creatures: A Field Guide offers a closer look at fifty of these amazing creatures. The fifty cryptids are arranged in order alphabetically, and in addition to speculative illustrations, include details like when they were first reported, whether they are terrestrial, aerial, or aquatic, and each have a reality rating of 1 to 6, in which 1 means that the cryptid has been confirmed as a hoax, and 6 means the cryptid has been proven as real.