Obsession by Jackie Calhoun

Lindsey Stuart Brown's life is turned upside down when Sarah Gilbert comes into the family nursery in search of perennials. Lindsey thought she was content and comfortable with her husband, Gregg, and her grown children, Natalie and Matt. But when Sarah loans her a copy of Desert Hearts, Lindsey is intrigued by the intimacy between the women and realizes she has always felt just a little bit different.

With support from her gay brother, Hugh, Lindsey begins to struggle with her new feelings and soon finds herself faced with making some tough decisions about her future.