Peter Grant was once the Met Police\x27s first trainee wizard \- yes, they exist \- in fifty years. Now, he\x27s facing fatherhood and a new job, with equal amounts of panic and enthusiasm.
Leaving his old police life behind, he takes a job with Silicon Valley tech genius Terrence Skinner\x27s new London start up: the Serious Cybernetics Corporation.
Drawn into the orbit of Old Street\x27s famous \x27silicon roundabout\x27, Peter thinks it should be a doddle compared to his last job. But he doesn\x27t know that a secret is hiding in the building.
A secret that stretches back to Lovelace and Babbage, and forward to the future of artificial intelligence. A secret that is just as magical as it technological \- and twice as dangerous…