A Quinn & Costa Thriller

A notorious serial killer is back An edgy female police detective. An ambitious FBI special agent. Together they are at the heart of the ticking-clock investigation into a psychopathic murderer. The bond they forge in this crucible sets the stage for high-stakes suspense. Detective Kara Quinn is...

The unsolved murder of a young activist leads to the discovery of much darker crimes in New York Times bestselling author Allison Brennan’s latest compelling thriller to feaure the young, edgy detective Kara Quinn and the loner FBI agent Matt Costa. This time they work to uncover possible ties...

From New York Times bestselling author Allison Brennan comes a gripping new thriller. A lethal attack with no clear motive…and a killer dead-set on keeping the truth buried. A bomb explodes on a sunset charter cruise out of Friday Harbor at the height of tourist season and kills everyone on...

“Set among Louisiana’s swamps and brooding atmosphere, 'Seven Girls Gone' is a complex mystery whose characters are as intriguing as the storyline.” —The Denver Post When nobody will talk and corruption runs deep, turning to outsiders is the only way to make sure women stop...

"This latest installment will likely satisfy Quinn and Costa’s loyal followers and attract those curious about the interplay between public policy, law enforcement, and politics." —Booklist When a key witness goes missing, Quinn & Costa must find her before a killer silences her for good…...

No matter how far you run, some pasts never let you go… Two people were murdered—at the exact same time, in the same gruesome manner, bodies covered in the same red poppies…but on opposite sides of the country. With Detective Kara Quinn investigating in Oregon and Special Agent Matt Costa...

Allison Brennan returns to her bestselling series with an edge-of-your-seat thriller that thrusts Quinn and Costa into the crosshairs of a sadistic serial killer. Three newlywed couples have disappeared from an exclusive resort in Florida, only to turn up dead soon after. With the location...