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

印璽[inji] imperial seal
玉璽[gyokuji] sovereign's seal
剣璽[kenji] sacred sword and jewels
御璽[gyoji] imperial seal
国璽[kokuji] the seal of state

璽書[jisho] document with the emperor's seal
御名御璽[gyomeigyoji] the imperial or privy seal
国璽書[kokujisho] (Britain's) Lord Privy Seal
神璽[shinji] Imperial regalia (esp. the jewel Yasakani no Magatama)