Early fall when you're a TV nut is not the best time of the year to decide you need to commit to Neal Stephenson's latest ginormous book...but I need to read this one, ANATHEM.
Here's a bit on the 'verse of this book, from Stephenson himself. (More over at underwire)
ETA: a little bird just sent me the 'book trailer' for ANATHEM. Also, here's a recent piece on Stephenson from Wired, with tons more detail on the novel.
The World of Anathem