Schott Easy Cello Studies 1, By Holger Best and Walter Mengler: Volume 1- Elementary technique in the First and Half Position, Contents: Playing at speed, Strengthening fingers, String crossing, Bowing technique, About the composers, With practising tips for each study, From the series "Essential Exercises", 56 pages, ED 21548, ISMN 979-0-001-19138-8, In English and German language