Interesting fact:

Dr. Seuss’s most popular book was created as a result of a bet. His editor bet him he couldn’t write a book that used only fifty words – and ‘Green Eggs and Ham’ was the outcome! They are: a, am, and, anywhere, are, be, boat, box, car, could, dark, do, eat, eggs, fox, goat, good, green, ham, here, house, I, if, in, let, like, may, me, mouse, not, on, or, rain, Sam, say, see, so, thank, that, the, them, there, they, train, tree, try, will, with, would, you