Fifteen-year-old Charles Wallace Murry and the unicorn Gaudior must travel through time and space in a battle against an evil dictator who would destroy the entire universe. Includes an interview with the author.

This book introduces readers to the underwater world of submarines, showing them how these amazing watercraft have used stealthy secret attacks throughout history to revolutionize ocean warfare. Vibrant images and detailed diagrams of submarines from the U.S., Britain, Russia, and Germany are featured, from U-boats of the early 20th century to todays fastest and most powerful nuclear submarines. Readers will see firsthand how developments in technology...