In this dramatic romance, a billionaire amnesiac's latest acquisition comes with a blast from the past and a stunning secret. Down-on-her-luck heiress Piper Mills will do anything to help her baby—even strike a deal with the devil who impregnated her! Due to a car accident, Jaeger Ballantyne has no memory of the passionate night he and Piper shared . . . or that he's Ty's father. Purchasing Piper's heirloom sapphires is the only thing on his agenda . . . until seducing the green-eyed temptress takes over. Piper's falling for the stubborn tycoon, even as she continues to guard her secret. Can a man with no memory of their past find a way to forgive her so they can create a future? His Ex's Well-Kept Secret is part of The Ballantyne Billionaires series.