"Johnny Delgado is on his first case. But on a council estate as rough as his, he soon finds himself out of his depth and in big trouble.First PageIt all began with a bit of a problem. It was Friday evening, about six oclock, and I was sitting by the desk in my bedroom. My bedrooms small, and the flats small too. Its on the 17th floor of a south London tower block. Rain was drizzling on the window, and the air inside felt hot and steamy. But that wasnt the problem.