This blog, started by two New York moms, reviews many children's books. They are searchable by title, author, reading level, and more. Their rating system is a bit different than many other (such as levels of humor)
Gene and Bill were our keynote speakers for 11-16-11 at ILF, and thoroughly entertained the crowd. You can sign up to have their comic strip emailed to you; they also have books and other merchandise.