A fascinating new biography from the perspective of Philby’s third wife sheds new light on a well-worn story of secrecy and betrayal

American Spy by Lauren Wilkinson; The Most Difficult Thing by Charlotte Philby; The Chain by Adrian McKinty; The Poison Garden by Alex Marwood; The Reunion by Guillaume Musso and The Lady in the Car With Glasses and a Gun by Sébastien Japrisot

Charlotte Philby’s novel examines a parent’s path into a ‘dark world’

This detailed documentary exposes the enigma behind the camera through its portrait of the woman whose work led to the recruitment of Kim Philby

He escaped from prison, fled to Russia and – unlike the posh Cambridge spies – didn’t end up a miserable alcoholic. The revival of Cell Mates, the play about George Blake’s extraordinary life, couldn’t be more timely