GUITAR RESOURCES
For beginning guitar students I like to use a method book from Hal Leonard called 'Guitar Method Book 1 (2nd edition)'. You can buy it online, at Martha's Music, or pretty much any music store that sells print music. There is a version that comes with a CD, and one without a CD -- either is fine:
With CD:
http://www.halleonard.com/product/viewproduct.action?itemid=699027&lid=0&keywords=guitar%20method%20book&subsiteid=1&
No CD:
http://www.halleonard.com/product/viewproduct.action?itemid=699010&lid=1&keywords=guitar%20method%20book&subsiteid=1&
With CD:
http://www.halleonard.com/product/viewproduct.action?itemid=699027&lid=0&keywords=guitar%20method%20book&subsiteid=1&
No CD:
http://www.halleonard.com/product/viewproduct.action?itemid=699010&lid=1&keywords=guitar%20method%20book&subsiteid=1&
A great reference for chords, scales, etc., is JGuitar.com