Johnston, Philip. <br/><br/>
Scales bootcamp / 
by Philip Johnston. 
 - [Place of publication not identified] :  Philip Johnston,  2009. 
 - 96 pages :  illustrations ;  31 cm 
<br/><br/> "The fastest, clearest way to get to know your scales and then master them." 
<br/><br/><label>ISBN: </label>9780958190541 0958190542 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Piano--Studies and exercises.<br/>Musical intervals and scales.