'Hello, is that Jonathan Rendall?''Speaking.''My name's Rachel. I'm calling from Yellow Jersey Press and I have a proposal for you. I'm looking for someone to give £12,000 to but the catch is they have to spend it all on gambling - horses, the dogs, casinos, boxing, golf, footie, that sort of thing - and then write a book about it. Any profits made are entirely that person's but if they lose it all I still want my book. It's high risk but without wanting to assume too much,...