Prices are subject to change without notice.
The main reason, they're included is so that you can get an idea, how expensive a book will be. Any time you are in the Comedy Library you can create a calculator to add up book prices, simply by pressing the C character. Amazon is the biggest online bookstore. And this affiliate program makes enough money that this site can be maintained. Buying books here helps me to pay for this site, so I appreciate everyone who has done so.