You may want to check out the La Leche League Book Bibliography. This is a list of books approved for La Leche League group libraries.
www.llli.org/BEC/additChildrensBooks.html
Among the books in that list that look like what you are looking for is Elizabeth Crary's CHILDREN'S PROBLEM-SOLVING SERIES with the titles of:
I Want It;
I Want to Play;
Mommy, Don't Go;
My Name Is not Dummy; and
I'm Lost; I Can't Wait. Elizabeth Crary also has a series called DEALING WITH FEELINGS including the titles:
I'm Mad;
I'm Scared;
I'm Proud;
I'm Excited;
I'm Frustrated;
I'm Furious