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Gr 3—4—Though narrowly focused, these introductions offer a crowd-pleasing combination of relatively substantial information—including specialized terms (ectotherm, neurotoxin) that are consistently defined nearby—with sometimes-thrilling photographs of snakes chowing down on hapless prey or themselves becoming prey to larger predators...
Gr 4—8—From gross-out goodies—mummification, sewers, early water closets—to everyday, familiar items, such as screws and books, these titles show how ideas and inventions changed the way things were done...
Gr 9 Up—A common sentence opens the introductions to the titles in this series, stating that, "The history of civilization is essentially the story of human beings understanding and manipulating matter...
Gr 6—8—Quick overviews about produce, packaged foods, organics, and kitchen and food safety set the tone for the rest of the content, which encourages kids to hit the kitchen and helps them to make good nutritional choices...
PreS-Gr 2—The seven crafts in these books (one craft per spread) are sandwiched between brief advice on getting started and a short list of holiday-related activities toward the end...