Here are two jazz piano reference books that I have published.

Click on the links to be taken to lulu.com whereby both books can be previewed and purchased as either print versions or downloads.
Jazz Piano Voicings for the Intermediate to Advanced Pianist
is a good resource for any jazz pianist. Covering topics from standard left-hand voicings, two-handed voicings, up to quartal and 'cluster' harmony, along with some comping advice.
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Quartals and Pentatonics
is a new book which is a practical guide to the use of pentatonic scales and quartal based chord voicings in jazz piano. Drawing upon the legacy of such players as McCoy Tyner and Chick Corea, this book gives detailed practice tips and techniques to successfully incorporate this modern approach to jazz piano into your own playing.
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Below are free lessons designed to augment the material covered in "Quartals and Pentatonics"