Sam-I-Am tries to persuade his friend to try green eggs and ham.
Would you eat green eggs and ham? Probably not. But what if the person offering them to you persisted...and persisted...and persisted...? Theodor Geisel (a.k.a. Dr. Seuss) created this book after his editor, Bennett Cerf, bet him that he could not write a book using just 50 words--GREEN EGGS AND HAM uses exactly 50 words.