I grew up in Hopewell, a little town just outside of Princeton, NJ. And so I was very excited when, a few years ago, I learned that the Princeton Public Library (where my mom took me as a wee lad) would begin an annual children’s book festival. This year the festival has got an UNBELIEVABLE lineup of authors and illustrators. Seriously. It’s crazy. You should totally go. And the organizers asked ME to design the festival poster. As a “local boy,” I really did not want to disappoint. So I racked my brain trying to think of a fun, interesting…