Photo-Illustration: Vulture; Photos: Sophia Sahara, Netflix, Ms Rachel via YouTube, Everett Collection (Walt Disney Co., Netflix), BBC Writing a picture book isn’t easy. Some people might think it is—especially if they’ve read enough bad ones—but writing a true gem of children’s literature is exceptionally hard work. Great children’s books make kids laugh and adults cry, have rhythm, meter, and great pictures, and somehow speak to something deep in a child’s soul, making them want to return to