Amish Country Amnesia by Meghan Carver

His past is a mystery to everyone…except for the men trying to kill him

When a snowmobile accident leaves a man injured and with no memory, Amish widow Sarah Burkholder and her young daughter rescue him. Even as Sarah's feelings for him grow, they discover unknown assailants are after him – and Sarah and her little girl for helping him. But if he can remember who he is, he might just save all their lives.