愛書[aisho] great love of books
愛読書[aidokusho] favourite book
悪書[akusho] harmful book
案内書[annaisho] guidebook
移動図書館[idoutoshokan] mobile library

遺言書[yuigonsho] testament
遺書[isho] note left by dead person
医書[isho] medical book
一つ書き[hitotsugaki] an item
一書[issho] one letter

楷書[kaisho] square style of handwriting
楷書体[kaishotai] square (block) style of printed typeface

楷行草[kaigyousou] printed, semi-cursive, and cursive scripts