The Hard SF RenaissanceSomething exciting has been happening in modern SF. After decades of confusion, many of the field's best writers have been returning to the subgenre called, roughly, "hard SF" science fiction focused on science and technology, often with strong adventure plots. Now, World Fantasy Award winning editors David G. Hartwell and Kathryn Cramer present an immense, authoritative anthology that maps the development and modern day resurgence of this form,