These books can be read after a Barton student has completed the level or lesson indicated.
Level 2 (3-letter words, short vowels)
(the above books are paper-only, not available on Kindle)
Three of the Sound Out Chapter Books from High Noon
Books {Up the Hill, The Red Cap, The Tug) in their set of
6 books, item #8125-8.
(the above books are available as e-books on AppleBooks and Google Play)