Strange objects have been reported in the skies for centuries - bright objects, moving shapes, lights traveling in formation. In 1952 alone, there were 1,500 reports of UFO sightings! This More →

For centuries, sailors have told tales of sea monsters and serpents that have attacked their ships. Many stories tell of giant squids with their tentacles wrapped around the trapped vessels - More →

Mysteries Revealed is an entertaining series of books that uses scientific principles to help explain many of the mysteries that surround us - from how ancient peoples built enormous… More →

Stories about unsolved disappearances have surfaced throughout history. Lost explorers, missing armies, and hidden princes are just a few of these perplexing mysteries. Follow along and… More →

This book takes students on a journey from the traditional practices of the Far East to modern Western medicine. Looking at the sometimes mysterious treatments and their applications,… More →

A popular story tells of President Lincoln predicting his own assassination, but not knowing where or when it would take place. This intriguing new title from Crabtree examines real-life… More →

Four titles have been added to Mystery Files - exciting and readable stories about mysterious events and phenomena. Each story is told within a spread so readers can dip into the book or read More →

Four new titles have been added to the highly acclaimed Myths Understood series. The tradition of storytelling is a part of every culture. By studying myths, we can learn about a… More →

My T-Shirt and Other Clothing explores the problems faced by the people around the world who produce clothing, and environmental problems associated with the making of clothing. Case studies… More →

This exciting series puts young readers in the driver's seat and takes them for a thrilling ride through the wildly popular sport of NASCAR. Each book in this high interest series explores an More →