Presents a non-fiction companion to the book "Dogs In The Dead Of Night," discussing cases where dogs have come to the rescue of people and other animals, and describes the roles of service and other working dogs.

Snakes and other reptiles -- Snakes -- Kinds of snakes -- Lizards -- Crocodilians -- Turtles and tortoises -- The future of reptiles.

Discusses dolphins and sharks, their ocean habitats, and general information about oceans and oceanography.

What was it like to live in the Ice Age and why was the world so cold? Who made the first cave paintings? What ever happened to sabertooth cats and wooly mammoths? Find out the answers to these questions and more in Magic Tree House Research Guide : Sabertooths and the Ice Age, Jack and Annie's guide to unlocking the mysteries of the Ice Age! This is the nonfiction companion to Sunset of the Sabertooth...

The first Magic Tree House® Super Edition—and Jack and Annie’s most dangerous mission ever in the scariest time the world has ever known—World War II. With a longer story and additional facts and photographs, this is a thrilling adventure no reader will want to miss!
 
When the magic tree house takes Jack and Annie back to World War II, Europe is in trouble! It is June 1944 and the brother-and-sister...

A companion book to "Day of the Dragon King" presents facts about the real dragon king, the construction of the Great Wall of China, and the traditions associated with Chinese New Year.

A biography of our first President, illustrated with old prints, maps, and photographs.

Introduces the Vikings, discussing why they went on raids, what they wore, what their ships were like, and how they shaped history.