The Flute Scale Book -A Path To Artistry, Text by Phyllis Avidan Louke & Patricia George, Published By Theodore Presser Company. 

From pedagogues Patricia George and Phyllis Avidan Louke, The Flute Scale Book is ideal for every flutist from student to professional levels. Its comprehensive and flexible set of study plans includes scale studies, intervals, warm-ups, embouchure development exercises, phrasing guides and practice patterns for groups of six or eight notes. In short, every flutist will benefit greatly from this comprehensive method.