The most useful book each contains 26 fairly simple scales, each presented as an exercise with a second part to be played by the teacher, or the CD. The book introduces other aspects such as tonality, harmony and how scales are constructed to give the beginner an all round knowledge of how music is constructed. The three speed CD that is included with both these volumes contains the second part at different speeds so the pieces can be played at a tempo suitable to the level of the violinist. Both volumes also include stickers to be used when a particular scale has been mastered, making these suitable for the younger player. 1 Franz Wohlfahrt: Nr. 1 D-Dur 2 Ferdinand David: Nr. 2 A-Dur 3 Charles Dancla: Nr. 3 D-Dur 4 Heinrich Ernst Kayser: Nr. 4 G-Dur 5 Luigi Cherubini: Nr. 5 D-Dur 6 Otakar ?evcík: Nr. 6 G-Dur 7 Heinrich Ernst Kayser: Nr. 7 D-Dur 8 Charles-Auguste de Bériot: Nr. 8 D-Dur 9 Charles-Auguste de Bériot: Nr. 9 G-Dur 10 Franz Wohlfahrt: Nr. 10 G-Dur 11 Jean Pennequin: Nr. 11 D-Dur 12 Jacques-Féréol Mazas: Nr. 12 G-Dur 13 Jean Pennequin: Nr. 13 G-Dur 14 Charles Dancla: Nr. 14 G-Dur 15 Charles-Auguste de Bériot: Nr. 15 E-Dur 16 Jacques-Féréol Mazas: Nr. 16 A-Dur 17 Jacques-Féréol Mazas: Nr. 17 E-Dur 18 Charles-Auguste de Bériot: Nr. 18 A-Dur 19 Jacques-Féréol Mazas: Nr. 19 D-Dur 20 Luigi Cherubini: Nr. 20 A-Dur 21 Franz Wohlfahrt: Nr. 21 e-moll 22 Luigi Cherubini: Nr. 22 a-moll 23 Charles-Auguste de Bériot: Nr. 23 e-moll 24 Franz Wohlfahrt: Nr. 24 A-Dur 25 Jacques-Féréol Mazas: Nr. 25 e-moll 26 Michel-Joseph Gebauer: Nr. 26 A-Dur