Sunny Randall comes to the aid of three very different women, with deadly consequences. Hired by prominent feminist Mary Lou Goddard to protect her from threatening phone calls and shadowy pursuers, at the same time, Sunny must help both her dearest friend and her older sister, each of whom face wrenching personal battles.

Private detective Sunny Randall takes the case of college student Sarah Markham, a young woman searching for her birth parents, but her investigation uncovers dangerous secrets that could also lead to painful secrets about her own past.

When a serial murderer dubbed "The Spare Change Killer" by the Boston press surfaces after three decades in hiding, the police immediately seek out the cop, now retired, who headed the original task force: Phil Randall. As a sharp-eyed investigator and a doting parent ("You're smart. You're tough. You, too, are a paradigm of law enforcement perfection, and you're my kid"), Phil calls on his daughter, Sunny, to help catch the criminal who eluded him...

When she gets caught in the middle of a financial dispute between two rival vets and ex-spouses, which results in murder, Sunny Coolidge and her cat Shadow must once again sniff out the clues to catch a killer.

In the mid-1970s Sunny Lewin is back, star of her personal show, facing the prospect of Middle School, and dealing with the problems of her somewhat dysfunctional family--in particular her older brother, Dale, who has been sent off to a military academy because of his delinquent behavior.

"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...

"Sunny's just made it to middle school...and it's making her life very confusing. All her best friend Deb wants to talk about is fashion, boys, makeup, boys, and being cool. Sunny's not against any of these things, but she also doesn't understand why suddenly everything revolves around them. She's much more comfortable when she's in her basement, playing Dungeons & Dragons with a bunch of new friends. Because when you're swordfighting and spider-slaying,...

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.
PI Sunny Randall owes a favor. Her landlord and former client, famous novelist Melanie Joan Hall, is being threatened and blackmailed, and it is up to Sunny and her best friend Spike to ensure her protection. But as Sunny looks into the identity of Melanie Joan’s stalker, she learns that much of the...

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...