Looks at the worlds of Amelia Earhart, Jacques Cousteau, Marco Polo and other famous explorers, sharing real-life photographs of their equipment and personal possessions as well as objects they found.

From armor to jousting, Knights and Castles covers everything there is to know about knights and medieval castles.
Knights and Castles takes an up-close look at the history of knights, their chivalrous code, the battles they fought, and more. Learn about the heroic actions of famous knights, including El Cid and Sir John Hawkwood, and the monks who took up arms to protect pilgrims. Explore famous castles, including

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Examines the world of the ninja, Japan's legendary assassins, spies, and irregular warriors; describes their origins, training, missions, tactics, weapons, and history; and profiles notable ninjas.

"The crash of a UFO at Roswell, New Mexico, in 1947 has fascinated and amazed the public ever since reports of the incident emerged in the 1980s. In this book, the author takes a look at the evidence that has come out of Roswell and poses the crucial questions: did an alien spaceship really crash at Roswell, and was there a government cover-up? Includes witness profiles and Roswell timeline.

Describes what has been learned about the physical features, behavior, and surroundings of the long-extinct brachiosaurus. Brachiosaurus was one of the largest animals ever to live on Earth. In this book, you will see what Brachiosaurus looked like and how it lived. You will learn what the weather was like when Brachiosaurus was alive. You will see what other animals lived at that time. The world of long ago will seem as close as your backyard.

Describes what has been learned about the physical features, behavior, and surroundings of the long-extinct stegosaurus. Stegosaurus had a brain the size of a walnut, but it could still defend itself. In this book, you will see what Stegosaurus looked like and how it lived. You will learn what the weather was like when Stegosaurus was alive. You will see what other animals lived at that time. The world of long ago will seem as close as your backyard....

Describes what has been learned about the physical features, behavior, and surroundings of the long-extinct veloceraptor.

Describes what has been learned about the physical features, behavior, and surroundings of the long-extinct iguanodon.

Describes the physical characteristics of Tyrannosaurus rex, probably one of the very last dinosaurs on Earth, and discusses where it lived.