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'Dark, twisty, and thoroughly entertaining, Mrs Spy is a Thursday Murder Club for spies. You won't be able to put it down' - Ava Glass

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.

Maggie Flynn isn't your typical 1960s mum.

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

Widowed and balancing her clandestine career with raising a Beatles-mad 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 murky and perilous world of espionage, can she outsmart those determined to keep her silenced?