Science Fiction Book Covers

Fans of sci-fi writer Philip K. Dick (Blade Runner) have flocked to their scanners and created a collection of over 650 book covers. Sure, it's genre specific, but what an interesting look at the designs through the decades—for example, the image above features five different covers for A Scanner Darkly. There is a clear style evolution right up through the Matrix era. Explore the gallery. [via Speak Up]