Dalton Diaz's "Winter's Thaw" is Book three of the multi-author, Cougar Challenge series. OR nurse Elizabeth Winters is forty-one, divorced and determined to figure out what all the fuss is about sex. Her ex spent over twenty years crushing her sensuality and it is long past time for release. Literally, dammit! In her quest, she befriends a group of women of her own age, who admit having a passion for younger men-and thus begins a challenge... Thirty-year-old engineer Kevin Springer loves solving puzzles and "Elle" has him aching to fit the pieces. The more he gets to know her, the more intrigued he becomes, especially in bed. He quickly realizes he wants more than her offered no-strings-attached, wild sex, but convincing her to take a chance on a relationship isn't going to be easy.