Mechanic and shape-shifter Mercy Thompson has her hands full when she becomes the unwitting owner of a Fae book that contains secret knowledge, and also must cover for her best friend, Samuel, as he struggles with his wolf side.

" #1 New York Times bestselling author Patricia Briggs's Mercy Thompson series has been hailed as "one of the best" (Fiction Vixen). Now, Mercy must deal with an unwanted guest-one that brings a threat unlike anything she's ever known. An unexpected phone call heralds a new challenge for Mercy. Her mate Adam's ex-wife is in trouble, on the run from a stalker. Adam isn't the kind of man to turn away a person in need-and Mercy knows it. But with Christy...

"In this electrifying new entry in the #1 New York Times bestselling urban fantasy series, shapeshifting mechanic Mercy Thompson will face a threat unlike any other. . . . I am Mercedes Athena Thompson Hauptman. My only "superpowers" are that I turn into a thirty-five-pound coyote and I can fix Volkswagens. But I have friends in odd places and a pack of werewolves at my back. It looks like I'm going to need them. Centuries ago, the fae dwelt in Underhill-until...