Curious about the human brain or what makes a bug an engineer? Motivate exploration with inspiring content-area topics that include everything from food to flatulence! Each book features challenging yet conversational-style text and absorbing layouts with eye-popping imagery designed to entice even the most reluctant of readers. Set includes 10 titles: Survival! Desert; Bug Builders; In the Game: An Athlete"s Life; Unsolved! Mysterious Events; Defying Gravity! Rock Climbing; Straight Talk: The Truth About Food; Strange But True: Gross Anatomy; Helen Keller: A New Vision; Hand to Heart: Improving Communities; and Technology: Feats & Failures. 7 x 9 inches. 48 pages per book. Grade 4.