Spring break was supposed to be a last blast of fun for three friends before the reality of adulthood set in. But for the trio’s science whiz, it’s an education in instant attraction…Chemistry major Felicity Stone can tell you everything about the way chemicals interact, but when it comes to social interaction, she needs schooling. Abandoned by her friends, Felicity is faced with spending spring break alone—unless she accepts a gorgeous stranger’s invitation to pose as his girlfriend at a family wedding. Not one to turn down a research opportunity, Felicity never expected it to produce such breathtaking results…Teacher and baseball coach Lucas Tanner is fascinated by Felicity’s potent mix of spirit and scientist, not to mention her delicious curves. When Felicity asks him to return the favor by teaching her how to pick up guys, he can’t refuse—but he’s not at all happy with the idea of her using a formula for flirting on anyone but him. Can he convince her that together they have the perfect chemistry?