TIL the best selling book of 1981 was a guide on how to solve the Rubik's cube, selling over 6 million copies. en.wikipedia.org Submitted by lightsdevil t3_11o9jud on March 11, 2023 at 3:29 AM in todayilearned 57 comments 942
Aprilias t1_jbrzg40 wrote on March 11, 2023 at 6:29 AM I had this book. Stores sometimes had crates full of Rubik's cubes, I'd grab one, solve it, pick up another and keep doing that for a few minutes. IIRC I was able to solve a cube in 30 seconds or so. Permalink 0
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