At Cimmeria Academy, Allie Sheridan has spent years chasing the truth – about Night School, about the powerful figures pulling its strings, and about her own past. Now, the truth is out in the open. But the cost has been high.

The spy who has dogged their footsteps has gone but Allie and the other survivors have lost their champion. Carter West is missing. Allie's heart is broken. And Nathaniel can taste victory.

But Allie isn't not done yet. First she has to find Carter. Then, only one question remains: how far will she have to go to stop a man who believes the ends justify any means?

The stakes are incredibly high. It’s life or death. And one way or another, the game must end.

"Thrill-packed; Daugherty's storytelling brims with gusto." – THE FINANCIAL TIMES

"A smart, engaging heroine and gripping, suspenseful plot." – KIRKUS REVIEWS

"A thrilling story of intrigue." – CLOSER

"A fast-paced read with solid plotting and plenty of intrigue." – THE CENTER FOR CHILDREN'S BOOKS

"The page-turner we couldn't put down." – THE INDEPENDENT

"Danger, mystery and imagination combining to thrilling effect." – FINANCIAL TIMES

"The most exciting teen book series to hit our shelves in ages." – NOW MAGAZINE

"Not so much Harry Potter as a dark St. Trinians with murder, mystery and a hefty dose of gothic teenage angst." – DAILY MAIL

"Exciting and unique... action packed and thrilling." –THE GUARDIAN

"An engrossing, multifaceted mystery with snappy dialogue, a well-drawn cast of characters, and a sizzling romantic subplot." – PUBLISHER'S WEEKLY