There's an incredible amount of books which are nothing more than a collection of known stuff. Still, the time it takes to gather all the stuff, research it and

There's an incredible amount of books which are nothing more than a collection of known stuff. Still, the time it takes to gather all the stuff, research it and put it together in a meaningful way, is what gives the book value. Take the "marketing bible" for instance: "Principles of Marketing" by Philip Kotler. When you read it, everything in the books seems obvious, but that doesn't stop it form being true, and being one of the best regarded marketing books.