Uncover danger in the desert and the mysteries of deep space with this engaging set featuring inspiring content-area topics. Discover how wild animal trainers work and what mighty macros are with books that include amazing layouts that include sidebars, questions to consider, facts, graphics, and enticing color photos. Set includes 10 titles: Danger in the Desert; 21st Century: Mysteries of Deep Space; Bad Guys and Gals of the Wild West; All in a Day's Work: ER Doctor; Where Does Your Money Go?; Endangered Animals of the Desert ; Pop. Air and Water Pressure; Wild Work. Animal Trainers; Unforgettable News Events; and Mighty Macros: Little Things, Big Results.