Sean McCollum

World War I was a brutal war that left more than 9 million dead. Millions more were wounded and lost their homes. The two sides-the Allied Powers and Central Powers-cut secret deals to get countries to join their side. They unleashed secret weapons, employed spies, and relied on the element of surprise itself to wage terrible battles. Secrets of World War I reveals little-known stories of the people, weapons, and battles that have affected the maps...

"Describes ancient history, medieval lore, and modern portrayals of werewolves in today's popular culture"--

"Describes the history, parts, and performance of sports cars"--Provided by publisher.

"Describes the CIA, including its history, current missions, and the day-to-day activities of CIA workers"--Provided by publisher.

"Provides fun and interesting trivia about popular video games"--

"Describes great comeback stories for teams and athletes from National Hockey League (NHL) history" --

Ghosts . . . are they real spirits or just the stuff of scary stories? Scientists have yet to find any evidence spirits of the dead exist in our world, yet many people believe they do. Whatever our opinions, legends of ghosts, poltergeists, and hauntings exist in many cultures. At times helpful, at times terrifying, ghosts have a fearful grip on our imaginations.

The idea that aliens might visit our planet has gripped Earthlings for a long time. Extraterrestrials are popular in science fiction books, movies, and TV shows. UFO hunters of every kind are searching Earth, sky, and space for answers to the question: Are we alone in the galaxy?

Hockey is a game of shots and saves, passes and penalties, wins and losses. Check out the very best and worst that hockey has to offer with Hockey's Best and Worst.

Supercars, race cars, and sports cars all have blazing speed. How do they go so fast? Why do some cars have wings? Learn the answers for yourself and decide which of the fastest cars you'd like to drive.