Grave Reach. Coventina Circle Paranormal Romance, #4

Lesley Chase fought her way free from an abusive marriage, thanks to Coventina Circle. After her ex-husband's murder, she took a sabbatical to study yoga, meditation, and dreamwalking in Costa Rica. A passionate affair with Sam Pierce helped her self-confidence and healing, but she insisted they break all contact when she returned to New York. She's stunned when she runs into Sam, who has an office in the same building as her therapist.
He convinces her it's just a weird coincidence, and he won't try to rekindle their passion. But when Lesley's dreamwalking crosses into dangerous territory, and her ex-husband starts stalking her from beyond the grave, Sam is determined to set her free, once and for all. Of course, Sam has a few dark secrets of his own, on both sides of the veil .