The third book of Veronica Roth's Divergent trilogy will be out on October 22, 2013 and Amazon is now accepting pre-orders. According to Amazon, Divergent Book 3 has 384 pages and it is available for Hardcover and Kindle versions as of now. I don't know if a paperback will be issued.
The Hardcover version can be pre-ordered for $13.59 while the Kindle version is at $11.99. If you really wanted to get the book, I suggest you to pre-order before supplies are out. Also, based on my own experience,...