The 9 best classic business books of the past 30 years–and why they’re still relevant today.

Business authors and experts have proclaimed enough revolutions to fill a long shelf. Most of these turn out more like ripples than tidal waves, as a check of any bookstore’s markdown shelves will show. Sure, a few tomes and gurus from the past three decades have made a difference in the way entrepreneurs operate–or at least in what they bring on the plane to read.

By Mark Henricks

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