"Heinstein of the Airwaves" is a late-in-life coming of age story about pushing the boundaries when that's no longer innocent. It's a portrait of a place - Oxford - and the nightmares that lurk among the dreaming spires. It's a picture of a very private person who has a very public shark sticking out of his roof. If you like contradictions, read it. 'Heinstein' is an area where the main character has to dodge virtual bullets from both sides. In twenty years on BBC Radio Oxford Bill has met a fascinating mix of people from world-famous celebrities to passionate local campaigners. Here he brings us the highlights of these meetings.The book is an insight into how a good broadcaster treads the line between challenging his listeners and interviewees and keeping their trust - and that of his employer. It's also an up-close look at the underside of a city more often eulogised than criticised. Bill's view: 'Phillip Pullman created a parallel universe outside of Oxford, I've looked at what we have right here inside Oxford and found it.'