The Visitor: a twisty, suspenseful page-turner

'Tis the season ... for a visit from a mysterious stranger . . .
Izzie Mallon planned to spend Christmas alone - she hadn't counted on a visitor. But is he who he says he is?

Izzie Mallon is looking forward to celebrating Christmas on a relaxing yoga retreat. At least, that is what she's telling her mother and colleagues. In reality, she will be shutting herself away from the festive season, and the snowstorm that has brought the city to a standstill, in her apartment on Henrietta Square — th...