When the corpses of three police officers are discovered entombed in snowmen, Grace MacBride and her team of crime-busting computer jocks at the Monkeewrench firm are called in to assist. What they discover is a terrifying link among the victims that reaches beyond the badge and crosses the line between hard justice and stone cold vengeance.

On a sailboat ten miles off the Florida coast, Grace MacBride, partner in Monkeewrench Software, thwarts an assassination attempt on retired FBI agent John Smith. A few hours later, in Minneapolis, a fifteen-year-old girl is discovered in a vacant lot, her throat slashed. Later that day, two young men are found in their home a few blocks away, killed execution-style. The next morning, the dead bodies of three more men turn up, savagely murdered in...

The Monkeewrench crew returns to face the city of Minneapolis’s worst nightmare—a rampant serial killer on the loose—in this electrifying thriller from the author of The Sixth Idea.
 
When Minneapolis homicide detectives Leo Magozzi and Gino Rolseth are called to a crime scene in a heavily wooded city park, everything about the setting is all too familiar. And when they discover a playing card on the victim's...

It's a bitter winter in Minnesota--too cold to kill. There hasn't been a murder for a month, but the lull quickly comes to an end for Detectives Leo Magozzi and Gino Rolseth, when they're called to the gruesome homicide of Kelly Ramage. Found in a friend's vacant house, this was no random attack, and clues reveal that she was living a very dangerous secret life. Magozzi and Gino trace her steps back to an art gallery where she was last seen alive....