Their Blushing Bride by Celeste Jones

Prim governess Lily Snow encounters brash cowboys Keane and Rye and unladylike desires nearly overtake her. When they rescue her from an assault by her unscrupulous former employer, the men offer her protection and something more. A marriage in the Bridgewater tradition of two men and one lucky woman. Because of her chaste upbringing, she truly is their blushing bride.

But, can she really trust them to know what's best for her? When Lily tries to take matters into her own hands, the results could be devastating.