Amazon.com description: Product Description: Boston P.I. Sunny Randall goes on the road to protect a bestselling author—and uncovers a world of dark secrets—in the new novel by the Grand Master.

Melanie Joan Hall is a bestselling author in a bind. Her publisher needs her to tour on behalf of her latest blockbuster, and Melanie Joan needs a bodyguard-cum-escort to protect her from an overbearing ex-husband whose presence unnerves her to the point of hysteria. Sunny’s cool demeanor, cop background, and P.I. smarts are an instant balm for the older woman. Sunny begins to sense that Melanie Joan’s ex—a psychotherapist—is not your basic stalker, and when an incident at a book signing leaves the ex bloodied and the author unconscious, it’s clear the stakes are high. Having decided that the only way to crack the case is from the inside, Sunny enters therapy, only to discover some disturbing truths about herself . . . while putting her life on the line.
 
Gripping, nuanced, and filled with Parker’s signature dialogue and psychological insight, Shrink Rap is a winner.