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Gr 4–6—Mercer, a physics teacher and the author of the highly educational How Do You Light a Fart? And 150 Other Essential Things Every Guy Should Know About Science (Adams Media, 2009), presents easy-to-follow instructions for making flying toys or shooters from drinking straws, foam plates, used greeting cards, and other common materials...
Gr 3–6—Vast of scope—though necessarily superficial in depth—this 10-spread import surveys the entire panorama of technology, from the invention of shaped stone tools to flat screen TVs and musical toilets...
K-Gr 2—This volume in the most elementary group of the three-level "Discover More" series introduces emergent readers to birth and development in the animal world...
Gr 2–3—Visually compelling but cursory in content, these volumes cover the ever-popular topic of animal claws, teeth, armor, offensive capabilities, and defensive adaptations...
Gr 2–5—Cranking up the adrenaline and fascinating facts with "Snack On This!" and "Chew On That!" text boxes scattered throughout, each of these accessible, brightly designed titles introduces 7 to 13 predators...
Gr 1–2—A cartoon scientist and a canine sidekick that delivers occasional "Hank's Woofs of Wisdom!" asides ("A giraffe's heart weighs about 25 pounds...
Gr 1–3—Falling well below current standards for dino-profiles, these slapdash productions pair standard-issue descriptive texts with illustrations drawn from various sources and done in a variety of styles...