★★★★★
“The puzzles look simple at first and then make you stare much longer than expected. Great for short breaks because you can do just one page or keep going.”
Reader perspective
THE BLACK BOOK
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Clean visual brain teasers built around one simple question: which image is different? An easy-to-start format with a surprisingly addictive challenge.
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Editorial reader-style comments. These short comments are illustrative website copy and are shown to give a sense of the kind of feedback the book may receive.
“The puzzles look simple at first and then make you stare much longer than expected. Great for short breaks because you can do just one page or keep going.”
Reader perspective“Nicely presented and easy to understand. I would enjoy a few more very hard puzzles, but the variety makes it a good casual brain workout.”
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