In the time when witches tiptoe about to have their Halloween fun, ancient Druscilla knows her creaking knees will prevent her from being sneaky and sets out to find a silent conveyance for herself, her cat, and her jack-o-lantern.

This book reports on the work of forensic scientists who are excavating grave sites in James Fort, in Jamestown, Virginia, to understand the people who lived in the Chesapeake Bay area in the 1600s and 1700s.

Describes the physical characteristics, life cycle, and behavior of sea horse as well as efforts to protect them.

Eight-year-old Letty attempts to save her pet goose from marauding British soldiers in New Jersey during the Revolutionary War.

Describes the physical characteristics, life cycle, behavior, and conservation of rhinos.

110 million years ago, a lush river flowed through the heart of what is now a desert in Africa. Lurking in the depths of the river, a humungous monster waited for its prey to come to the river's edge to drink…and to die. More than 40 feet long, this giant ancestor of the crocodile stalked and killed dinosaurs. In 1997, dinosaur hunter Paul Sereno discovered the enormous reptile fossil named SuperCroc. Learn how modern science uncovers the ancient...

Explores what volcanoes are and how they can be both harmful and helpful to human beings.

On December 6, 1917, two ships collided in Halifax Harbor. One ship was loaded top to bottom with munitions and one held relief supplies, both intended for wartorn Europe. The resulting blast flattened two towns, Halifax and Dartmouth, and killed nearly 2,000 people. As if that wasn't devastating enough, a blizzard hit the next day, dumping more than a foot of snow on the area and paralyzing much-needed relief efforts. Fascinating, edge-of-your-seat...