Get ready for a pulse-pounding, laugh-out-loud ride through 1960s London as Maggie Flynn, unexpected MI5 operative and single mum, unravels the intelligence agency's most treacherous secrets.

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Maggie Flynn isn't your typical 1960s mum.

She's a spy, a covert operative for MI5, stalking London's streets in myriad disguises.

Widowed and balancing her clandestine career with raising a very angsty teenage daughter, Maggie finds comfort and purpose in her profession - providing a connection to her late husband, whose own covert past only surfaced after his death.

But Maggie's world spins out of control when a chance encounter with a mysterious Russian agent triggers a chilling revelation: he knew her husband. And what's worse, the agent suspects someone on home soil betrayed him.

As Maggie searches for answers, she'll question everyone - and everything - she thought she could trust. In the dangerous world of espionage, can she outsmart those determined to keep her silenced?

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Praise for Mandy Robotham

"You're going to love Ruby Devereaux... A chronicler of life and love, her story is by turns fierce, feisty, passionate and poignant? Emma Flint

"Exciting, alluring, seductive? Clare Whitfield

"Brilliant, courageous... funny and flawlessly told? Melanie Golding

"It's hard not to fall in love with Ruby Devereaux. I thoroughly enjoyed her warm, witty company on this joyous journey through the late 20th century? Nicola Rayner