A killer strikes on a luxury voyage to the North Pole. Tom Hindle's latest gripping locked-room mystery is perfect for fans of Anthony Horowitz and Knives Out. 'Terrific... claustrophobic, surreal and dazzling' The Sunday Times 'Fiendishly clever' David Goodman 'This escapist mystery is out of this world!' Fabulous ___________________________________________ 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 . . .