The Gift by Freida McFadden

"It’s Christmas Eve and Stella Hansen is broke. She is so broke that despite working two jobs, she can’t even afford a present for her husband on their first Christmas as man and wife. But then a mysterious storekeeper at a pawn shop offers Stella an intriguing trade. Stella wants more than anything to buy her husband the Christmas gift of his dreams. But will it come at a terrible price?" --