The enclosure is a characteristic feature of blues and jazz and especially bebop. It is exactly what I was looking for. Now I am really curious to read also the other books. Very informative and easy to understand.
The 9th: A Practical Guide to Improvisation
THE EXTENDED MINOR CHORD: A Practical Guide to Improvisation
A PRACTICAL GUIDE TO PLAYING THE ORGAN - Anne Marsden Thomas - ORGAN TUTOR - GC
THE STARTING NOTE : A Practical Guide to Improvisation
CHORD PROGRESSIONS: A Practical Guide to Improvisation
Music Theory A Practical Easy Guide for Bassists Hal Leonard Bass Method Book