‘It is time to put the two angry dogs in a sack and see who comes out barking.’ The Curious Rise of Alex Lazarus is a masterclass in how not to run a business. I was fascinated by Adam Leigh’s stirring tale of a digital start-up in London in 2013. At first the ‘unicorn’ enterprise succeeds beyond expectations, but soon the founders find themselves struggling with real-world problems. Before long, they are at each other’s throats.