Atama no Taisou (頭の体操, lit.'Head Gymnastics') is a series of puzzle collections that were released by Kobunsha, and written by Akira Tago. As of 2010, there were 23 regular volumes with an e-book volume released.

The first volume was published in 1966 and sold more than 2.5 million.[1] The series has sold 12 million copies[2] and become a best-seller in that year.

References

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  1. ^ 『頭の体操』の時代ふたたび。 モノ語り6 (in Japanese).
  2. ^ 「頭の体操」から「さおだけ屋」へ (in Japanese). Yomiuri Shimbun. September 16, 2005.