Her Heart's Desire - Ruth Ann Nordin

As soon as Sally Larson meets Rick Johnson, she knows he's the one for her. The catch? He's interested in her friend, Ethel Mae. But Sally has a plan. With Ethel Mae's help, she convinces Rick that the only way he'll get Ethel Mae is to make her jealous. He agrees, but he has a trick or two up his sleeve. Sally just might find that the one playing cat is really the mouse.