"Understanding light and color might seem impossible--but if readers already know the colors of the rainbow, they're part of the way there! Including the light spectrum, wavelengths, and other key con
Discusses the history of submarines in the military, including submarines used in World War I, World War II, and the development of nuclear submarines.
Chronicles and presents facts about life during the upper Jurassic period, depicting the daily activities of dinosaurs from that time, including Allosaurus, Diplodocus, and Stegosaurus.
Discover just how important the movement of people to and across the United States has been throughout the nations history. Helpful photographs, fact boxes, and a timeline bring all the aspects of imm
Presents experiments with easy-to-follow instructions that demonstrate the properties of force and motion, including making a lever, measuring elasticity, and observing water density.
Join Buzz and kid reporter Harold Hattrick for the hockey championship at Slap Shot Stadium. As the players face off at center ice, Harold sharpens his skills with synonyms and antonyms. A surprise fr
Charging enemies. Defending castles. Fighting loyally for kings and lords. Learning to move under the weight of heavy armor. Welcome to the life of a medieval knight. Discover how knights were tr
