No child's library can be complete without one or all of the Frances series by Russell Hoban. You'll enjoy these clever stories about bedtime, food phobias, friendship and sibling rivalry as much as your little one.
http://www.amazon.com/Bedtime-Frances-Trophy-Picture-Books/dp/0064434516/ref=sr_1_2?ie=UTF8&s=books&qid=1267128593&sr=1-2