"I couldn't put it down! I loved every sentence! The writing is outstanding, the setting entrancing, and the characters stole my heart. Fresh, flawed and instantly lovable, you'll root for Jo and Adam at every turn." -- S. C. Stephens, #1 New York Times bestselling author Their passion burned hotter than the stars . . . For Josephine "Jo" Kramer, nothing has ever been easy. When she earns a summer internship in Puerto Rico, working at one of the world's preeminent scientific facilities, she'll let nothing distract her. Not her own insecurities, not the arrogant scientists, and definitely not her tall, chiseled research partner, Adam. For Adam McCay, physics is simple-it's women who are complicated. Especially brilliant, beautiful ones like Jo. From the moment they meet, he can feel the heat smoldering deep beneath her icy exterior. And Adam knows just what it will take to make Jo melt . . . Under the endless stars of a tropical sky, Jo and Adam indulge their every desire. But as their internship comes to an end, their perfect island paradise is threatened. Was their time together a summer fling? Or is their passion hot enough to last the long winter nights?