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 [update], 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.
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 [update], 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.