Anime and manga books K-on! TV Anime Official Guidebook ~ Sakura High Light Music Club Activity Diary ~
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: アニメムック アニメ・漫画系書籍 けいおん!TVアニメ公式ガイドブック~桜高軽音部活動日誌~