Sean McCollum

"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"--

"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"--From the publisher's web site.

"Describes how Indy cars evolved into the highly advanced cars they are today, as well as how teams prepare their cars for races and how races are run"--Provided by publisher.

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...

World War II was the most destructive war in history. Millions upon millions of people died, including innocent civilians. Both sides-the Allies and Axis Powers-pursued secret plans, tactics, and weapons to destroy each other resulting in horrors on a scale never before seen. Secrets of World War II reveals little-known stories of the people, weapons, and battles that have affected the maps on our walls and the allegiances in our hearts.

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

Describes the science behind shipwrecks, including causes, prevention, and famous shipwrecks.

"Includes information about the history and current status of custom cars, including tuners, hot rods, and muscle cars"--Provided by publisher.

"Traces the history of robots, from the early designs of the mid-1900s to today's modern designs"--