The new gripping novel by the bestselling author of The Chalk Man and The Burning Girls.

Nominee for the ITW THRILLER award. Book of the Year for Esquire.

A derailed bus full of students. All of them trapped. A stranded gondola filled with strangers. One of them is dead. An isolated chalet where, over time, friends become enemies. Outside, the snowstorm rages. Within each group, a killer lurks. But this is not their only problem. Why is no one coming to rescue them? What are they trying to escape from? And who are the terrifying Whistlers?

They wrote about the author and the book:

“The female Stephen King of Britain.” –Daily Mail

“Chilling, a horror-drenched delight.” –Observer

“C.J. Tudor is unmatched.” –Lee Child

“The most thrilling thriller of the year is three thrillers in one. Buckle up.” –Linwood Barclay

“A truly chilling, icy horror story from the master of the macabre.” –Chris Whitaker

“A writer at the peak of her powers.” –Claire Douglas

“C.J. Tudor is fantastic.” –Harlan Coben