There are 23 books ranging from 1.2.5 all the way up to 3.6.2. About 19 are 3rd grade level. All books are in good condition with some spinal wear to some books. See images for add additional information about items condition and what is included. Please ask questions before bidding. Thanks. Check out my other listings for more related items. Thanks. There are some of the books with a letter or letters in sharpie on the top right corner of the cover.