【Overview】 This "15 MINUTE WARM-UP ROUTINE" is a tutorial book for French horn players. Written by Michael Davis, it is suitable for a wide range of players, from beginners to advanced. - Title: 15 MINUTE WARM-UP ROUTINE - Author: MICHAEL DAVIS - Genre: French Horn - Accessories: Includes CD recording - Endorsements: Cleveland Orchestra, Penn State University There is some creasing on the edges of the front and back covers, but there are no markings inside. The included CD is also present.