Undercover Christmas by B.J. Daniels

She claimed the baby was his
Yet Chase Calloway swore he'd never met the mysterious pregnant woman who appeared at his family's ranch. True, an accident had blocked parts of his memory, but he wouldn't have forgotten the desire that flared between them.

Marni McCumber deceived so that she might learn the truth. She hadn't counted on the pre-Christmas snows stranding her with Chase's secretive family or the dangerous mishaps that hinted she wasn't the only one with something to hide. Forced to accept Chase's protection, Marni found one truth impossible to conceal she wanted Chase. But when he regained his memory, would he want her?