Did you know that some creatures that live in the dark have adapted to have no eyes? Have you ever seen a troglobite? There many different types of troglobites including the fearless waterfall-climbing cave fish, the mutant Mexican tetra, and the mystifying olm. Author and illustrator Lindsey Leigh introduces young readers to some of the weirdest and creepiest critters that thrive in the darkest corners of our planet in her uniquely funny and graphic style. This fact-filled book reveals the different ways that creatures of the dark have adapted to thrive in their environments, including slow movement and loss of pigment in their bodies to blend in with their surroundings. Readers will get to know aquatic cave leeches, tailless whip scorpions, cave beetles, the devil's hole pupfish, worms, salamanders, and all kinds of bats.