Stitch Kingdom is reporting that Lucasfilm is releasing four “mystery” young adult novels on September 4, 2015. From their report:
Known only as Autumn #1, Autumn #2, Autumn #3 and Autumn #4, all four titles are slated to be released on September 4, 2015. The first three titles are listed as having a page count of 240 pages each and recommended for readers aged 8-12, while the fourth skews slightly older at 10-14 and clocks in at 304 pages.
Remember, September 4, 2015 is the rumored street date for product related to Star Wars: The Force Awakens. It’s quite likely that these books are a part of the tie-in merchandise, though exactly what their subject matter shall be remains to be seen. Visit the link above for more details.