Ignore the usual advice
Fried and Hansson built the software company 37signals, and they write in short, punchy essays. Much of the book challenges standard business wisdom.
They argue that long-term business plans are really guesses, that learning from mistakes is overrated compared with learning from what works, and that working long hours is not heroic. You do not need to be an entrepreneur with a big vision; you just need to start. They call such people starters.