Please be sure to read the profile. These books have been read by children and show signs of use. Please refrain from purchasing if you are concerned about this. These are illustrated reference books that explain the details of youkai (Japanese monsters) and divine beasts with rich illustrations. - Title: Youkai Saikyo-o Zukan (The Strongest Youkai Illustrated Encyclopedia) - Title: Shinwa Saikyo-o Zukan (The Strongest Mythological Creatures Illustrated Encyclopedia) - Publisher: Gakken - Features: Illustrated reference book - Features: Detailed explanations of youkai and divine beasts - Features: The battle stage moves to the heavens!! Thank you for looking.