This is the Probably Smut book club special hardcover edition of Unstoppable by K. A. Knight. It is brand new and has never been read. This edition is DIGITALLY signed by the author. Included are four custom stickers from Probably Smut, SFW character art pages inside of the book, color coded annotation tabs, and bookmark. Media mail cannot be used for shipping due to the stickers and annotation tabs being included with this book.