Robert B. Parker's Blood Feud (Sunny Randall): Lupica, Mike, Burton, Kate

Sunny Randall is back in Robert B.

Parker's Blood Feud, and this time she's on a mission to protect her ex-husband and his Mafia family from a vengeful rival.

With her sharp instincts and unwavering loyalty, Sunny races against the clock to uncover the truth behind the attack on Richie and prevent a deadly mob war from erupting in Boston's streets.

But as she delves deeper into the criminal underworld, Sunny finds herself targeted by a deranged mastermind who will stop at nothing to see her destroyed.

Can Sunny keep her loved ones safe and unravel the tangled web of loyalties and betrayals that threaten to consume them all? Find out in this gripping and action-packed thriller from Mike Lupica, the award-winning author and longtime friend of Robert B.

Parker.