Are you a pianists whose been asked to play the organ? Then these books are for you! The first volume includes chapter titles: Getting to Know the Instrument, Basics of Registration, The Pedals, Manual Technique, Congregational Accompanying and Service Playing, Adapting Piano Accompaniments for the Organ, Basics of Improvisation and Conducting from the Console. Subsequent titles include repertoire for manuals only or manuals with easy pedal. This is a valuable resource!