It took me almost a full month to read Foucault's Pendulum. Part of the reason might be that I rarely read in Swedish anymore, but I think it's mostly because of how dense it is. Don't get me wrong, it's an interesting and engrossing read, but there is so much occult and secret society history and fact in there, that it simply takes awhile to process. In the end I stopped trying to look up references (I know a fair bit on this topic, but no way near enough to get even half the references, I fear), except for trying to refresh my knowledge of the Sephiroth, which is what the book is structured on.

I suspect I could analyse this book for years, and the chapters on the Knights Templar is a brilliantly readable account of their history.