
To make his story more interesting, Marco imagines a progressively more elaborate scene. However, the only thing Marco has seen on his walk is a horse pulling a wagon on Mulberry Street. The rhythm of the ship's engines captivated him and inspired the book's signature lines: Geisel conceived the core of the book aboard a ship in 1936, returning from a European vacation with his wife.

However, when he arrives home, he decides instead to tell his father what he actually saw-a simple horse and wagon. First published by Vanguard Press in 1937, the story follows a boy named Marco, who describes a parade of imaginary people and vehicles traveling along a road, Mulberry Street, in an elaborate fantasy story he dreams up to tell his father at the end of his walk. Seuss book And to Think That I Saw It on Mulberry StreetĪnd to Think That I Saw It on Mulberry Street is Theodor Seuss Geisel's first children's book published under the pen name Dr.
