Absolute dynamite. A bible no one wanting to be successful should be without. If Dragons' Den was a lads' mag it would be FHM. Dirty Business is an unputdownable copy of Razzle.It's the real stuff, the pure juice, undiluted. David Hughes has created four highly successful businesses in the UK, including a high street retail empire, turning over £180 million, as well as an £80 million turnover.