About the Book: The Menu of Happiness is a heartwarming Japanese mystery novel set in the enchanting Kamogawa Diner, where a father–daughter team recreates nostalgic dishes that help customers heal old wounds. Through the stories of a pianist longing for lost love and a man seeking forgiveness, the diner uncovers memories hidden within recipes and reconnects people with their pasts. Blending gentle sleuthing with emotional storytelling, this bestselling series celebrates food, comfort, and the magic of rediscovered joys.