For many years one of the most important books for intermediate flute study, Book 1 (00970024) contains a wealth of famous studies by such composers as Andersen, Gariboldi, Köhler and Terschak. Book 2 (00970025) is a continuation of Book 1 and also includes etudes by Kummer. For further technical and musical development, Book 3 (00970031) features the work of Boehm, Kronke, Köhler and Mollerup, as well as excerpts of solos by Haydn, Bizet, LeClair and Jongen.