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.
Award-winning author Sean McCollum has written more than 30 nonfiction books and hundreds of articles for children and teens. Currently living in the United States Virgin Islands in the Caribbean Sea, he has sailed on ships big and small, and always checks where the lifeboats are stowed.