I was walking down from Machu Picchu--you used to be able to hang out there and do pretty much whatever you wanted including camping--and it was night with lots of spirits about and I had this thought. Hey, if this fell apart as fast as it did for the Inca, who is to say that it won't happen to us? That's where I got the idea for the Eye of the Archer. I couldn't get past it and this book stayed with me through about 50 drafts (parts were published in an earlier version 12: A Novel About the End of the Mayan Calendar), jobs, marriage, kid, and well I finally got it, and here it is.