'Christine Poulson has long been one of the most reliable talents in the crime/thriller field, and her style, understated but forceful, is well in evidence in this latest ingenious variation on the cloistered locale mystery.' BARRY FORSHAW at Crimetime.co.uk Midwinter in Antarctica. Six months of darkness are about to begin. Scientist Katie Flanagan has an undeserved reputation as a trouble-maker and her career has foundered. When an accident...