Love, Lies and Valentines by D.E. Malone

All is Fair in Love and Bidding Wars
When museum curator Maggie Patton learns a rare valentine collection will be auctioned in Minnesota, nothing will stop her from making the cross-country trip to acquire it. As Valentine’s Day approaches, she needs the distraction anyway to take her mind off what should have happened over the holiday weekend—a marriage proposal from her ex. Trouble is, someone also has an eye on the prize and he’s determined to post the highest bid.
One valentine in Lot 23 belonged to Ry Murray’s famous distant relative, he’s sure of it. As family historian, Ry’s obsessed with recovering the long-lost card, but outbidding the woman who’s come from Boston seems impossible, unless he convinces her it’s better off in his hands than hers.
When an eccentric billionaire pays big money to thwart their plans, Maggie and Ry think they’re out of luck. But then the gentleman proposes a Cupid’s match: spend forty-eight hours together building a convincing courtship and the best performer leaves town with the valentine. The scheme seems like a losing game for Maggie and Ry, but with their hearts on the line, might they win at love?