''Atama no Taisou'' ( ja, 頭の体操, lit. ''Head Gymnastics'') is a puzzle collecting books series that was released by

Kobunsha Kobunsha ( ja, 光文社 ''Kōbunsha'') is a Japanese publishing company. It publishes literature, manga novels, and women's magazines. Company history Kobunsha was established on October 1, 1945, and belongs to the Kodansha group. The company h ...

, and the author is

Akira Tago Akira Tago ( ja, 多湖輝, February 25, 1926 – March 6, 2016) was a Japanese psychologist. He was an honorary emeritus of Tokyo Future University and a professor emeritus of Chiba University. He was also the chief of Akira Tago Laboratory. He ...

. 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. The series has sold 12 million copies and become a best-seller in that year.

References

1966 books Japanese books Quiz games Books about games {{game-book-stub