Bosworth Wir Musizieren Am Klavier 3, Piano Coursebook for Children, Part 3 of the piano course for children from 7 to 11 years of age, By John W. Schaum, Completely revised and updated new edition, With many illustrations, Suggestions for the teacher, ISBN: 9783865439468, Publisher's no. BOE7836, Format: DIN A4, 48 Pages, In German language