A review by jaayraad_reads
Spook Street by Mick Herron

4.0

We are back, back, back, back again with the Slow Horse crew! And what a ride this book was. Most likely the best book in the series so far.
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What starts with a flash mob undertaking one of the worst attacks on British soil unlocks a secret off books mission undertaken by the Old Bastard in a post Cold War world.
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River is worried that the Old Bastard is losing his mind in old age, and the secrets he has kept from his time in the Service may come to light. And he is right, in a way.
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When someone shows up at the O.Bs door and tried to silence him, things start to go wrong and River tasks himself of finding why someone tried to kill his grandfather.
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A trip to France takes him to a commune of kinds, and back to a wet London where there rest of the Slow Horses are dealing with the other half of the hit squad.
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Throw in some revealing family history, and of course some high level espionage. Naturally a few bodies end up littering the path towards the big reveal. But this book was a grand spy thriller from start to finish. Here’s hoping the rest of the series continues this trajectory