A free pdf book to download - God’s Debris, written in 2001 by Scott Adams, who is the creator of Dilbert. Here’s the synopsis:

Imagine that you meet a very old man who—you eventually realize—knows literally everything. Imagine that he explains for you the great mysteries of life—quantum physics, evolution, God, gravity, light, psychic phenomenon, and probability—in a way so simple, so novel, and so compelling that it all fits together and makes perfect sense. What does it feel like to suddenly understand everything? God’s Debris isn’t the final answer to the Big Questions. But it might be the most compelling vision of reality you will ever read. The thought experiment is this: Try to figure out what’s wrong with the old man’s explanation of reality. Share the book with your smart friends then discuss it later while enjoying a beverage.

Here’s the link to the download and it has more information on it. Wikipedia for Scott Adams. Wikipedia entry for the book (Warning: That wikipedia kind of sums up the book and ruins it, note the plot warning up the top.)