The opus 63 of Carl Joachim Andersen is one of the best of his volumes of Etudes for Flute. This is Complete vol1 and 2 in one affordable volume. Difficult but necessary to become a professional in the art of flute, this is a reprint of the original authoritative plates of Wilhelm Hansen, circa 1897, Plate 12021 and 12022. Excellent edition, as with all Fleury Publications, blank staff paper and notes section for teacher annotations are present. First edition 2014.