There are two editions of the Weissenborn commonly available - one by Cundy-Bettony and the other by Carl Fischer. This edition, 000811, is the Carl Fischer edition. Titled "Practical Method," it is the more recent edition of the two, with a copyright of1941. Augmented and adapted by W. F. Ambrosio, it was re-engraved and is much easier to read than the earlier Cundy-Bettony edition. In addition to the Method, it includes the 50 Advanced Studies as well as a fingering chart for the Heckel systembassoon. 126 pages. -hmc