This page provides links to additional downloadable material for The Piano Improvisation Handbook by Carl Humphries.
The bibliography. (PDF)
The discography. (PDF)
A glossary of technical terms used in the book. (PDF)
An appendix that provides a handy set of reference points for both practising and improvising. It includes standard scales and chords for mainstream styles (with suggested fingerings where appropriate), and a sample of widely-used jazz and classical voicings and progressions, transposed into all keys. (PDF)
Some musical examples from the book.
Some useful links about piano improvisation.