And to Think That I Saw It on Mulberry Street turned 75 last year. Zoinks that's old! Happy birthday to the book. (Source.)

Seuss's first children's book was rejected a whole twenty-seven times by publishers. It's a good thing he didn't give up, huh? (Source.)

Young Seuss actually passed by Mulberry Street on his way to school growing up. We can only imagine what he saw in his mind's eye. (Source.)