Sunny Randall, a Boston private investigator, is hired by a wealthy family to locate their teenage daughter. When the difficult teenager refuses to return to her family, Sunny reluctantly becomes her bodyguard. Before long, Sunny finds herself battling a criminal conspiracy involving top state officials.

Boston private detective Sunny Randall agrees to protect a touring writer from her abusive ex-husband, but she quickly learns that the stalker in question is much more sophisticated, intelligent, and potentially deadly than most.

Sunny Randall is hired by rich producer Buddy Bollen to protect his rising star and girlfriend, Erin Flint. Erin's sister and personal trainer end up dead and Sunny joins forces with Paradise, MA chief Jesse Stone to solve the case.

"Robert B. Parker's iconic and irresistible PI Sunny Randall is back, and the stakes are higher than ever as she races to protect her ex-husband--and his Mafia family--from the vengeful plan of a mysterious rival. Sunny Randall is "on" again with Richie, the ex-husband she never stopped loving and never seemed to be able to let go, despite her discomfort with his Mafia connections. When Richie is shot and nearly killed, Sunny is dragged into the thick...

In her latest thrilling adventure, PI Sunny Randall takes on two serpentine cases that converge into one deadly mystery.
PI Sunny Randall has often relied on the help of her best friend Spike in times of need. When Spike's restaurant is taken over under a predatory loan agreement, Sunny has a chance to return the favor. She begins digging into the life of the hedge fund manager who screwed Spike over - surely a guy that smarmy has a skeleton...

Robert B. Parker's PI Sunny Randall's newest case hits close to home in ways she never expected in her latest thrilling investigation. Melanie Joan Hall is back in Boston, riding high, refusing to have Sunny and Rosie move out. She has a Netflix series about to start shooting in Boston, based on her wildly popular new series of books for girls. Then it turns out that most of her fortune is gone. And her manager, who was in charge of the money, turns...

Boston PI Sunny Randall investigates the dark side of social media in this exciting new thriller in the bestselling series.
Sunny Randall’s newest client, Blake, seems to have it all: he is an Instagram influencer, with all the perks the lifestyle entails—a beautiful girlfriend, wealth, and adoring fans. But one of those fans has turned ugly, and Sunny is brought on board by Blake’s manager, Bethany, to protect him and...

Boston PI Sunny Randall is back to investigate the disappearance of a hard-partying energy drink mogul, in the latest thriller in Robert B. Parker’s bestselling series.
After a near-death experience, Sunny Randall is ready to lighten her load as a PI, that is until she is called upon by billionaire media magnate Bill Welch to investigate the disappearance of his son, Dylan, the cofounder of the Gonzo Energy Drink company. Lazy, unscrupulous...