112th out of 154 books — 36 voters
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Opt: An Illusionary Tale
Opt is a land full of optical illusions where objects appear and disappear and where readers can discover just how often their eyes can deceive.
Published April 1st 1989 by Puffin
(first published May 29th 1987)
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We all enjoyed this one, it appealed to my math nerd and my visual kid. Have caught them both reading it or looking at pictures since we read it together several weeks ago. Explores optical illusions using a loose, rather strung together story. The illusions are the best part.