It's not available until May 6, but on Amazon you can preorder a copy of Nanofuture: What's Next for Nanotechnology by J. Storrs Hall, Ph.D. From the foreword by Eric Drexler: "Reaching a solid understanding of new technology–the understanding necessary to judge its effects–is an intellectual adventure. I could not wish you any better guide than Josh Hall. Before the term 'nanotechnology' had reached a tenth of its current popularity, he had already formed the first worldwide Internet discussion group and led the discussion for a decade. He has done research and development in nanotechnology since the early days, with multiple inventions and discoveries to his credit…You'll get the whole story here." The price is right too: only $18.48.