1 volume | 6 lessons
5 volumes | 24 lessons per volume | 120 lessons total
3 volumes | 25-28 lessons per volume | 79 lessons total
4 volumes | 12-16 lessons per volume | 58 lessons total
1 volume | 14 lessons
1 volume | 8 lessons
3 volumes | 17-18 lessons per volume | 53 lessons total
