5Maps help us navigate our world, from towns and cities to crossing seas and deserts. Learn about different types of maps, how maps are made, how to use them, and even the history of maps and mapmaking. Maps 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.