The "Magical Wishing Fish" is a classic Grimm's tale published by Floris Books in 2018. The hardcover book, with illustrations by Koopmans and Loek, features a story by Jacob and Wilhelm Grimm about a fisherman and his wife. The book falls under the genre of juvenile fiction and touches on themes of fairy tales, animals, and social values. With 24 pages of engaging storytelling and beautiful illustrations, this book is sure to captivate readers of all ages with its magical and heartwarming tale.