Hideo Yokoyama

is a Japanese novelist.

Yokoyama specializes in mystery novels.

He repeated his Kono Mystery ga Sugoi! No. 1 ranking in 2013 with ''Six Four'' (64).

The English edition of ''Six Four'', translated by Jonathan Lloyd-Davies, was shortlisted for the 2016 CWA International Dagger.

He is known for his career as journalist for the Jomo Shimbun, the regional paper in Gunma. Provided by Wikipedia