There’s probably no one who knows more about startups than Paul Graham. Having helped thousands of startups through Y Combinator, the startup accelerator he co-founded, there’s a thing or two to learn from his essays. And Graham’s wisdom isn’t limited to startups either; his essays, read by millions, touch on education, intelligence, writing, society, the human mind, and much more.
[Linkpost] Paul Graham 101
Paul Graham 101 by Jaakko
An alternative on the subject of startups is probably Jessica Livingston’s Founders at Work. I don’t have a third source so it doesn’t qualify for The Best Textbooks on Every Subject.