It looks like you’re referring to “Where the Sidewalk Ends,” which is a famous collection of children's poetry by Shel Silverstein. Published in 1974, this book features imaginative, whimsical poems and illustrations that explore themes of childhood, creativity, and the boundary between reality and fantasy.

About Where the Sidewalk Ends :

• Author: Shel Silverstein
• Genre: Children’s poetry
• First Published: 1974
• Notable Poems: “Where the Sidewalk Ends,” “Sarah Stout,” “Hug O’ War,” and many more.
• Themes: Imagination, innocence, humor, and the joy of childhood.

If you’re looking for the poem itself or more information about the book, I’d be happy to provide that! Would you like me to share the text of the title poem or a summary of the book?