The Sapphire Ring — Marjorie Warby

Sheila chose a sapphire for the engagement ring- but it wasn't her ring or her engagement. She thought she was wearing it for one evening only, as a favor to her cousin Julie and to Charles Bradford, who needed an instant fiance for business reasons. -- But what began as a simple assignment on behalf of her cousin developed into a series of romantic entanglements. After all, how can a girl wear one man's ring when she's engaged to another...?