FingerTips With a Touch of Theory, Book 4 composed by Cobb/Lewis/Strickland. Edited by Victoria Mcarthur. For piano. Instruction. Fingertips With A Touch Of Theory. Theory. Book. Published by The FJH Music Company Inc (FJ.FF1067).
ISBN 0-929666-79-8. Theory.
Book 4 includes scales in two octaves, inverted triads, augmented triads, primary and secondary chords, arpeggios, interval qualities, and black key harmonic minor scales.