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Gr 6–9—The newest version of this ubiquitous, relentlessly utilitarian encyclopedia records statistical and other changes in the geopolitical world since the 2007 edition...
Gr 5 Up—Profiling about 250 rock bands or performers from AC/DC to ZZ Top-and including Chuck Berry and Arcade Fire-this alphabetically arranged encyclopedia offers opportunities for quick reference and casual browsing, if not systematic study...
Gr 6–10—This encyclopedia both expands upon information presented in such general surveys as Tristan Donovan's Replay: The History of Video Games (Yellow Ant, 2010) and the editor's Video Game Explosion (Greenwood, 2007), and offers it in a more granular, accessible way...
Gr 5–7—As with the author's 3-D Dinosaur (DK, 2011) and similarly titled volumes, a digital gimmick adds interest to an otherwise typical sweep over territory with high-reader appeal...
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...
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 3–5—These scattershot volumes of assorted high-interest topics barrage readers with randomly selected facts ("Wingsuit divers fall at speeds of around 60 mph...
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...