Spike has been tasked with cataloging every nook, cranny, and dark corner in his and Twilight's new home, thanks to Twilight constantly getting lost. However, while messing around with one of the walls in the dungeons he finds a book, far nicer than any other he's ever seen, and written by an author he doesn't recognize despite all the years spent retrieving books for Twilight from all over Canterlot. With Twilight out of the castle for the next few days, and no desire to continue looking for hidden passages, he decides to give it a read. The knowledge contained within will change him forever.

A.N. A story about learning Rationalism.

The blog posts the book is based on can be found at http://wiki.lesswrong.com/wiki/Rationality:_From_AI_to_Zombies and are free to read, if you're interested. Everything will be paraphrased because I have to understand something before I can convey it.