Sony Reader, Schmony Reader. Who needs one of those devices when you can turn your Powerbook into an e-Book reader. Sure, even reading this text could be considered reading an e-Book, but does your laptop or desktop machine look like an actual book? No, so stfu!
Simply rotate that PDF to display vertically, and flip the Powerbook up on its side. Not it really is a PowerBook. Oho! Hit the link for a completely unnecessary video. Simple and basic, but you know some people—like me—would never think of an idea like this.