True love requires a little research and development in a funny, heart-racing romance by Sariah Wilson, the bestselling author of The Paid Bridesmaid.

How can Anna Ellis, a geeky, brilliant, and hopelessly smitten cosmetic chemist possibly win over Craig Kimball, the man of her dreams who also happens to be her boss? The answer is Craig’s empathetic and handsome CEO half-brother, Marco. The makeup mogul knows Craig for the ridiculously competitive rival he is. Whatever Marco has, Craig wants. That can be Anna if she’s game to play.

All Anna and Marco have to do are pretend they’re falling in love and let the rumors begin. If the experiment in attraction works, a jealous Craig will swoop in and give Anna her happily ever after if it weren’t for one hitch in the plan. There’s more to Marco than meets the eye. With every fake date, Anna’s feelings are starting to become dizzyingly real.

Blame it on chemistry. It’s unpredictable, exciting, and occasionally combustible. If Anna and Marco are really falling in love, who are they to argue with science?