A Giraffe and a Half by Shel Silverstein.
Delightful fun! 1964 first edition, 1974 to 1989 printing per Harper & Row publisher on title page, black-and-white dust jacket, and "Where the Sidewalk Ends" mentioned on back dust jacket flap. Illustrated with black-and-white drawings.   

Note Condition: Very Good to Like New used condition. Some light scratches to front dust jacket; minor wear to edges and corners. Inner dust jacket lightly yellowed along spine. Board spine has no bumps, no cracks, no creases. Crisp, clean page edges. Complete with all pages, with no creases, no stains, no handwriting, no highlighting, no tears.