Guy Kawasaki's books are pretty ace for learning the 'silicon valley' style of business, big picture, etc. I think the first real book I picked up was something

Guy Kawasaki's books are pretty ace for learning the 'silicon valley' style of business, big picture, etc. I think the first real book I picked up was something more down to earth though like the Beermat Entrepreneur (UK-specific) that outlined the whole process quite well from what to incorporate as to accounting and sales.