This is book 11 of the Eternal Flames series, you should read Eternal Flames 1-10 and book 1-7 of Eternal Flames Maddox before this book.
 
Discovering that Snake and Ozcog are his mates makes things not just terrifying to Rory, but distracting, too, and distractions are the last thing Rory needs right now. A serial rapist is on the loose in both Crystal and Maddox and Rory needs every trick he knows to help find him. Ozcog and Snake are going to have to take a back seat, because no mate or threat to his life is going to stop Rory from doing what he needs to do to make his hometown safe again.