Taishō Baseball Girls. (Japanese: 大正野球娘。, Hepburn: Taishō Yakyū Musume.) is a Japanese light novel series written by Atsushi Kagurazaka and illustrated by Sadaji Koike. Tokuma Shoten published four novels from April 2007 to June 2010. It has been adapted into a drama CD, a manga series serialized in Monthly Comic Ryū, and an anime television series animated by J.C.Staff aired between July and September 2009. The anime had been licensed in North America by Sentai Filmworks and Section23 Films released the complete collection on November 16, 2010.