While other teenage girls daydream about boys, Calla Tor imagines ripping out her enemies’ throats. And she wouldn’t have it any other way. Calla was born a warrior and on her eighteenth-birthday she’ll become the alpha female of the next generation of Guardian wolves. But Calla’s predestined path veers off course the moment she saves the life of a wayward hiker, a boy her own age. This human boy’s secret will turn the young pack's world upside down and forever alter the outcome of the centuries-old Witches' War that surrounds them all

From Andrea Cremer's internationally best-selling Nightshade series, Calla Tor's brother Ansel tells his side of the betrayal and treachery depicted in Wolfsbane.Ansel's world is falling apart. The Nightshade pack led by his parents has been violently destroyed. His sister, Calla, abandoned her little brother, leaving him to answer for her crimes. And the Haldis pack that would have been his future is irreparably broken by Calla's betrayal. Suffering at the hands of the Keepers, Ansel is losing everything he's ever loved. The only chance he has to save himself means an alliance with his tormentors, and repaying Calla in full for her treachery. In this novella, find out why Ansel makes the decisions he does in Andrea Cremer's New York Times bestselling novel, Wolfsbane

Calla has always welcomed war. But now that the final battle is upon her, there's more at stake than fighting. There's saving Ren, even if it incurs Shay's wrath. There's keeping Ansel safe, even if he's been branded a traitor. There's proving herself as the pack's alpha, facing unnamable horrors, and ridding the world of the Keepers' magic once and for all. And then there's deciding what to do when the war ends. If Calla makes it out alive, that is. In this remarkable final installment of the Nightshade trilogy, international bestselling author Andrea Cremer crafts a dynamic novel with twists and turns that will keep you breathless until its final pages