‘A superb novel. I absolutely loved it. Rachel Hore brilliantly contrasts the thrilling world of high-stakes politics with the inner life of a passionate woman leading a dangerous double existence’ 

– Wendy Holden, author of The Governess

'Phenomenal! Absolutely loved it. I was rooting for Minnie from page one right to the very end... What a treat of a read'

– Tracy Rees, author of The House at Silvermoor

'Based on a true story, this fantastic novel follows the adventures of a suburban girl recruited by MI5 to infiltrate the British Communist Party (BCP) in the years before World War II… Hore reveals a thrilling world of high-stakes politics alongside the inner life of a passionate young woman leading a dangerous double existence. The humdrum, lonely nature of espionage is brilliantly evoked; Minnie longs for friendships but can’t get too close, while love is out of the question, particularly love for Max. Exciting, impeccably researched and full of powerful period atmosphere'

– Daily Mail

‘Based on the life of Olga Gray, this atmospheric thriller is a delight to read’ 
 

– Sun

‘Stunning. A masterclass in storytelling. Flawless writing and a great plot that builds suspense… This is one of those unforgettable books whose characters stay with you and whom you miss when they’re gone… I loved every moment’ 
 

– Dinah Jefferies, author of The Tuscan Contessa

'Rachel Hore has written a masterful novel, rich in period detail, and her heroine is an unforgettable character – an ordinary young woman who achieves extraordinary things for her country' 
 

– Sunday Express

'As far as her friends and family think, Minnie is an ordinary girl but she is a government spy – recruited to infiltrate the communist government. But how long can anyone lead a double life? Based on a true story' 

– Best

'A compulsive and enjoyable read' 
 

– Historical Novel Society

'Historical suspense… Minnie Gray – on the outside an ordinary woman, inside a spy for the British Government who is asked to infiltrate the Russians. Inspired by the real-life story of secretary Olga Gray' 

– My Weekly