"When Jack and Annie came back from their adventure in Magic Tree House Super Edition #2: Night of the Nine Dragons, they had lots of questions. What do tales about dragons have in common? Are mermaids real? How do unicorns use their horns? Find out the answers to these questions and more as Jack and Annie track the facts about their favorite creatures from myths and legends. And just what might some of those creature sightings really be?" -- Amazon.com....

Profiles twenty-five monsters from mythology, folklore, and literature, from Medusa the gorgon and Polyphemus the cyclops to Dracula, Frankenstein's monster, and the headless horseman of Sleepy Hollow.