I'm going to guess that the most important features of board books to babies is colorful, high-contrast pictures and chewy corners. So if the content is something parents can enjoy, all the better. I'm getting a kick out of this newish line of board books that introduce some of your favorite literary characters: Elizabeth, Mr. Darcy, Romeo, Juliet, Alice and Jane.
Author Jennifer Adams probably didn't envision putting her English degree to use in this fashion, but it's not a surprise that an editor at Quirk Books (Pride and Prejudice and Zombies, for example) would think outside the traditional baby book box. Illustrated by Allison Oliver, the books are counting primers: