Imagine living and working on a ship with no windows for months on end. Now imagine that ship is sailing underwater! How Things Work Submarines introduces readers to the technologies that make life un
Dinosaurs thunder through the pages of these colorful leveled readers. What better way to get children excited about reading than to combine a favorite topic with engaging, easy-to-read text! Beginn
Dinosaurs thunder through the pages of these colorful leveled readers. What better way to get children excited about reading than to combine a favorite topic with engaging, easy-to-read text! Beginn
Introduces Washington, D.C., recounting its history and describing its most important structures, including monuments, museums, and public buildings, and the reasons why it is a symbol of the United S
Introduces the presidential airplane known as Air Force One, recounting the history of presidential aircraft and describing its physical features and the reasons why it is a symbol of the United State
With its sharp teeth and long claws, Allosaurus was scary! This big meat-eating dinosaur died out long ago. In Allosaurus/Alosaurio, learn how scientists piece together facts about this creature and i
This fast-running dinosaur's name means "egg stealer." People once thought Oviraptor ate eggs from other dinosaurs' nests. Later, scientists learned that the small dinosaur sat on eggs in its own nes
