Books
Michael Gerber has written the roadmap for every small business in The E-Myth Revisited. Plain and simple. He lays out the guidelines for working on your business, not working in your business. The full title of the book is The E-Myth Revisited: Why Most Small...
Books
The Pareto principle, aka the 80/20 rule, is interesting. It is both hard to explain and easy to grasp. The principle basically says that 20% of effort produces 80% of results. Or 20% of customers provide 80% of revenue. Or 20% of a product line produce 80% of sales....