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Keith Kay
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The Little Giant(r) Book of Optical Illusions
Author: Keith Kay
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Take a Closer Look!
Author: Keith Kay
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A Little Giant Book: Optical Illusions
Author: Keith Kay
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500 Optical Illusions
Author: Keith Kay
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Take a Closer Look!
Author: Keith Kay
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Brainstrains(r) Eye-Popping Puzzles
Author: Keith Kay
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Grand Livre Du Casse-Tete Optique
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The who what where book of brain bafflers
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Sustainable Recovery
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Giant Book of Optical Puzzles
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The Little Giant Book of Optical Tricks
Author: Keith Kay
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