The Dr. Seuss illustration is damn hilarious because it's the sort of thing you might not notice while reading the book to your kids for the four millionth time but then once you see it, it is impossible NOT to see.
The anatomical picture of the horse? WHAT THE FUCK?
Also, I think every child should learn it's not OK to be coerced into touching a cow. "Do it now"? One can't get so aggressive when writing in the second person to toddlers.
Nicole is a parenting writer who contributes essays and articles for magazines like Parenting, Parents, American Baby and Babble. She lives in Brooklyn with three children, one husband and a morbidly obese goldfish.