The first box of paperbacks of Article 15 showed up from Ingram the other day. The release date is October 22 for the eBook, paperback and audiobook.
Also, the first review is in: 5 of 5 stars from Frank Frisson Reviews:
…Bass is an author of thrillers with a God-given talent to shock readers when they least expect it.
NOTE: The eBook is specially priced at $2.99 for pre-order only. Regular price will be $9.99.