SERIES MADE SIMPLE

It's Only Logical

9781467763462. ea vol: 32p. (Brain Benders). ebook available. illus. index. Lerner/Hungry Tomato. 2015. lib. ed. $26.65. pap. $7.99.
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Gr 6–9—Can you solve the pouring problem? How are you at brain chains? This unusual series challenges perception and thwarts assumptions with optical illusions and seemingly simple activities. Memory games, pencil puzzles, and magic tricks allow readers to exercise numeracy and logic skills in fun and fascinating ways. Answer pages offer solving tips and/or solutions when the problems grow too taxing. While all of the activities work well, the author seems more comfortable with explaining math concepts—devoting a whole page to a good explanation of probability—than science, explaining why some optical illusions work but not others. Scrupulously accurate graphic illustrations (with some photos) are key to the success of these four sharp little books.
VERDICT Shelve under "Spock"—there are sure to be takers for this set.
The eye and brain can be fooled, Moore demonstrates, with a variety of optical illusions, including negative images, ambiguous pictures, color perception tricks, grid illusions, and so on. Some illusions may be familiar to readers, such as the Rubin's vase/face image. Straightforward text and clear visuals are presented, with helpful hints and answers appended. Ind.

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