Veronica Stallwood: Oxford Shadows [2001] paperback

Oxfordshire appeared to be a haven of safety for many children sent away from the bombs falling on London in 1944, but for 10-year-old Chris Barnes, the result was death. Over 50 years later, novelist Kate Ivory, searching for material for her latest historical romance, uncovers Chris's tragic tale. Amongst piles of old papers in the attic of the house she shares with her partner, George, she finds the child's diary and a haunting photograph of a face she cannot forget. Kate determines to uncover the mystery surrounding Chris's death, but George's family appears to be implicated - and Kate is faced with an impossible choice...