This legendary spiral-bound book, with a wealth of patterns, licks, and ideas, has been popular among jazz players for a long time. Page after page of material has been collected from around the world during Yusef's vast touring. This collection of world sounds and exotic hybrids will have you hearing in whole new ways! Composers will find volumes of ideas and information. Improvisors will never find the bottom of this inspiration filled masterpiece. Often referred to as a “jazz” version of Slonimsky's classic book that had a profound influence on John Coltrane and countless others.