Here's a repost of when we reviewed this classic:
The Very Hungry Caterpillar (Board book), by Eric Carle. This brightly illustrated board book (full version also available) follows a caterpillar's journey from egg to butterfly, and his dietary intake along the way. After seeing how popular it was with other infants (or at least their parents), I was disappointed that our little man didn't like it more at first, but at around 13 months, he suddenly started enjoying it due to his realization that it contained a drawing of a piece of watermelon. Hopefully he will move beyond that page eventually.
"One Sunday morning the warm sun came up and - pop! - out of the egg came a tiny and very hungry caterpillar."
Infant's Interest: "muh! muh! muh!" (translation: watermelon).
I'd post more, but it's time to feed my Very Hungry Bibliophile.