Not in any particular order, but I'd highly recommend these interesting books: How to run a Thriving Business - Ralph Warner (the founder of Nolo book) The Death of Ivan Ilyich - Leo Tolstoy (I read this based on a recommendation by a fellow HNer) Predictably Irrational: The Hidden Forces That Shape Our Decisions - Dan Ariely. The Winner-Take-All Society - Robert H. Frank, et all. Gun, Germs, and Steel - Jared Diamond.
Also recommended in this reply