Ben Aaronovitch & Andrew Cartmel 
Rivers of London [PDF ebook] 
The Fey and The Furious #1

The award-winning urban fantasy series Rivers of London begins a new story of fast cars and fairy queens, from series creator Ben Aaronovitch! When an English racecar washes up in the Netherlands, wizarding cop Peter Grant is called in to investigate its unusual cargo. Fresh from suspension, Peter infiltrates the street racing big leagues — but can he find the finish line when he’s sucked into a real-life fairyland? A canonical story, set after bestselling novel Lies Sleeping.