or There Must Be More to Life, a story written in tribute to his own pet Sealyham terrier Jennie, who appeared in all his books until her death. It tells the tale of a discontent little dog who leaves her owner to find out if there is more to life.

A few of the chapters end with smaller drawings—a covered serving dish, an old telephone, and assorted portraits of Jennie, the Sealyham terrier who is the story’s heroine. The book is dedicated to Jennie, who was one of Sendak’s dogs ...

In 1967, he experienced two traumas, which left a lasting impression: he had a serious heart attack and his beloved Sealyham terrier, Jennie, who he called “his friend” died. It seemed a light went out for awhile until he was able to ...