A Guide to Non-Jazz Improvisation: Guitar - Paperback, by Dan Fox by - Very Good

Scales for Jazz Improvisation - Paperback By Haerle, Dan - VERY GOOD

A Guide to Non-Jazz Improvisation: Banjo Edition by Weissman, Dan Fox by Dick,

Art by Committee: A Guide to Advanced Improvisation

Jazz Improvisation for Keyboard Players Vol. 1: Basic Concepts by Haerle, Dan,

Art by Committee: A Guide to Advanced Improvisation

Guitar Soloing the Contemporary Guide to Improvisation - Book/Online Audio...

The Jazz Language: A Theory Text for Jazz Composition and Improvisation - GOOD