Free Fall Retrievers Series, Book 5.

The Cosa Nostradamus is in disarray; the Truce holding violence in check has been broken. Magical Manhattan is at war, and Wren Valere is left without her partner/lover Sergei, whose past loyalties keep him from her side just when she needs him the most. Hoping to keep herself occupied, Wren takes a job--but what should have been an ordinary Retrieval instead forces her to realize that it is time to do more. It is time for the Cosa to take the b...