Actually, there's a lot more to running than one might think, and this book was quite helpful in spelling out the preparation required to truly prepare one's body and mind for the rigor of a marathon. Before I became a "runner" I didn't know how much time and training actually goes into preparing to run 26.2 miles (and 325 yards!). After my first official race this weekend, I am not certain that I could ever achieve THAT distance, but if I do decide to shun my social life and start to train for a full marathon, at least now I'll know what I'm getting myself into!