Bursting with hundreds of facts and the highest quality photography and artwork, these books enthrall and stimulate the minds of struggling readers. Nonfiction titles cover high-interest subjects in a consistent format. Each book enthusiastically guides the reader through a topic topics most readers find difficult to resist. With over 100 color images per title, students gain multiple access points to truly engage text. Nonfiction titles are ideal for research, and perfect for a thrilling, fact-filled read. Each softcover book is 32 pages and includes an index. "Food for Thought" sections in each book challenge the reader to think critically. The "Did You Know?" sections at the end of each title offer more fascinating facts about each topic. A comprehensive and informative high-interest introduction to UFOs. Students explore ancient UFO sightings, famous UFOs, close encounters, crop circles, alien abductions, conspiracies, UFO theories, and more.