Hey, young explorer! Have you ever wondered what it was really like to live in a grand castle or train to become a brave knight? Join Jack and Annie from the Magic Tree House as they embark on an exciting journey to uncover amazing facts about the world of knights and castles! Inside this Fact Tracker, you'll discover how mighty castles were built, piece by piece, and what life was like for the people who lived within their strong walls. Learn all about the rigorous training young boys underwent to become valiant knights and if their horses truly wore shining armor into battle. Filled with fascinating information, cool pictures, and fun tidbits, this book is your perfect guide to history. It's a great way to dig deeper into the medieval times you might have visited with Jack and Annie in their other adventures!