Castle Library Book

Castle Library Book is a quest item from The Legend of Zelda: Breath of the Wild. They are two cookbooks found in the Library of Hyrule Castle. They among the few books in Hyrule Castle to have survived the Great Calamity. They contain the Royal Family of Hyrule's secret recipes for Fruitcake and Monster Cake which are required for the Side Quest "A Royal Recipe". The Monster Cake recipe is also required for the" side quest "A Parent's Love".