It may be a waste of time if you had lived long enough to experience vividly the ins and outs of the business world. Taking an extreme example, senior execs who had "climbed from the bottom" in international companies. These people have seen/lived a lot, so no business book can really impress them or show something they haven't already seen. On the flip side, there is a high number of young people eager to learn how things work in the business world, but they don't want to experience everything, every failure, the ups and downs, they want to cut corners. I think for that kind of people business books can add some value, especially the biographical ones. It doesn't need to be the biography of a CEO (e.g. Jobs'). The life story of a great salesperson can change your mindset forever.
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