'The Sanatorium will keep you checking over your shoulder. This spine-tingling, atmospheric thriller has it all: an eerie Alpine setting, sharp prose, and twists you'll never see coming. A must-read.' Richard Osman

'An eerie, atmospheric novel that had me completely on the edge of my seat.' Reese Witherspoon

YOU WON'T WANT TO LEAVE... UNTIL YOU CAN'T.

_WATERSTONES THRILLER OF THE MONTH_
_ONE MILLION COPIES SOLD_
_THE NO.1 SUNDAY TIMES BESTSELLER_
_A REESE WITHE ...