Keith Kay

Keith Kay is the author of books such as The Little Giant Book Of Optical Illusions.

Books by Keith Kay

The Little Giant Book Of Optical Illusions

The Little Giant Book Of Optical Illusions

A Little Giant Book

A Little Giant Book

Little Giant Book Of Optical Tricks

Little Giant Book Of Optical Tricks

Brainstrains

Brainstrains

Optical Illusions

Optical Illusions

Colorful Puzzles For Wise Eyes

Colorful Puzzles For Wise Eyes

A Little GiantReg

A Little GiantReg

Take a Closer Look

Take a Closer Look

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The Who What & Where Book Of Brain Bafflers

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500 Optical Illusions

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Sustainable Recovery