A list of books for fourth graders.
Los Angeles Public Library: Graded book lists.
Featured books for 4th grade readers.
Association for Library Service to Children: Newbery Medal and Honor Books, 1922-Present
Build a 4th grade reading list for your growing reader.
A website designed to help boys become self-motivated, lifelong readers.
Books for 4th and 5th graders. 
Popular 4th grade reading list from goodreads.com.