Twisted family secrets, an open house that ends in tragedy, a vacation that’s not what it seems — December’s new thriller and mystery reads are full of plots that will keep you questioning everyone’s motives. These 10 novels are perfect for long winter nights spent curled up by a fire with a cozy blanket to stave off the chill that accompanies the best thrillers. Go ahead and start brewing a cup of your favorite tea now, because these mysteries are just begging to be unraveled . . . and trust us, there’s no way you’ll be able to choose just one of these exciting new titles to add to your ever-expanding TBR.