Twice the Sass — Melanie James

Cursed by the Fates at birth, Tad and Taavi Olsen have until their twenty-fifth birthday to find the one true mate they must share for an eternity. With the deadline hanging over their heads, they finally catch the scent of their fated mate. Will she accept them in time to save their lives, or will they prove to be too hot for one curvy female to handle.