Description You might have read stories about princesses and knights, but now you can learn the truth behind these tales! From finding out what life was really like in a medieval castle, to learning how to attack an enemy's castle, this book is full of secrets about real-life castles.. . Castles is part of Decodables by Jump!, a comprehensive library of decodable leveled readers that follow a sequenced approach to phonics instruction. Young readers will enjoy colorful, photo-packed nonfiction as they follow a prescribed format supported by the science of reading that encourages reading development.