Operation Remember Us - Staci Warren

The bullet didn't take his life.
It took his memories.
Andrea Cole's life shattered the night of her husband's shooting. Although not fatal, the incident left him unable to retain new memories--until a medical breakthrough offers them a glimpse of hope.
Preston Morgan has a ten-year gap in his memory. Even more distressing, a cold, no-nonsense soldier he'd trained with in the Army is at his hospital bedside--except the way she makes him feel now is anything but cold. She makes him laugh, and heaven help him, she makes him want.
Andi promises the doctor she won't force Preston's recovery by just telling him of their past--but only for one month. Yet, as they grow close again, keeping their marriage a secret eats at her.
And it doesn't help that there's a snaggletooth little boy at home, desperate to meet a father he's never truly known