Bastien Theory Boosters: Minor Key Signatures composed by Lisa Bastien, Lori Bastien. For piano. Theory. Bastien Supplementary Books. Stocking Stuffers. Multi Level. Music book. Published by Neil A. Kjos Music Company (KJ.KP25).
ISBN 849773806. Stocking Stuffers.
Introduce and review all of the minor key signatures with clear and concise explanations.