Tewksbury Public Library
152.14/8
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152.14/8
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152.14/8
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Action optical illusions, Al Seckel
Cool optical illusions, creative activities that make math & science fun for kids!, Anders Hanson and Elissa Mann
Now you see it, now you don't, the amazing world of optical illusions, by Seymour Simon
Walter Wick's optical tricks
That's impossible!, optical illusions, by Spencer Brinker
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