Where the Wild Things Are is hailed as the king of the Wild Things and enjoys a playful romp with his subjects. However, he starts to feel lonely and decides to return home, to the Wild Things' dismay. Upon returning to his bedroom, Max discovers a hot supper waiting for him. Sendak began his career as an illustrator, but by the mid-1950s he had decided to start both writing and illustrating his own books. In 1956, he published his first book for which he was the sole author, "Kenny's Window" (1956). Soon after, he began work on another solo effort. The story was supposed to
Where the Wild Things Are be that of a child who, after a tantrum, is punished in his room and decides to escape to the place that gives the book its title, the "land of wild horses". Shortly before starting the illustrations, Sendak realized he did not know how to draw horses and, at the suggestion of his editor, changed the wild horses to the more ambiguous "Wild Things", a term inspired by the Yiddish expression "vilde chaya" ("wild animals"), used to indicate boisterous children. He replaced the horses with caricatures of his aunts and uncles, caricatures that he had originally drawn in his youth