A frozen wilderness.

A killer in the skies.

When aspiring travel writer Chloe Campbell is invited aboard a luxury airship flying to the North Pole, she thinks she's bagged the opportunity of a lifetime.

But she hasn't had long to admire the dazzling icy views before a fellow passenger is found dead in their cabin.

Trapped at the top of the world, the group agrees a tragic accident has occurred. But as the hours tick by, fear turns to doubt.

It seems everyone's a suspect.

And it isn't long before the passengers begin to turn on each other . . .

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PRAISE FOR TOM HINDLE

'A new heir to Agatha Christie . . . classic crime for the 21st century' Ragnar Jonasson

'This is riveting stuff, breathing new life into the traditional locked-room mystery. Hindle puts a 21st century spin on a Golden Age tale that's both captivating and cunning' Sun

'Tricksy, expertly plotted and kept me guessing till the end' Adam Simcox

'Twist after gut-punching twist' M. W. Craven

'Dazzling' Crime Monthly