Welcome Dumpster,

If you've been lerking around a while I'm sure you've seen us mention the tuning guide on the easton website

http://www.eastonarchery.com/downloads/

Click on the tuning guide and print it off. I have mine in a 3 ring binder. It is indispencable info that should come with every bow. I don't know of any good book on maintence. I just change my string and cables every year and keep it clean. Others may have more info on maintence.