The definitive guide to 2-5-1 chord progressions.
The best option. For roughly $15.90 (USD), you can buy the physical book + 2 CDs. However, if you want digital:
When you pirate Volume 54, you aren't stealing from "Big Music Corp." You are stealing from a 85+ year old saxophonist who dedicated his life to teaching you how to play jazz.
Furthermore, the is 80% of the product. A PDF without the rhythm section tracks is like buying a car without an engine. The value of Volume 54 is hearing the incredible rhythm section (usually featuring Mark Levine on piano, Lynn Seaton on bass, and Jonathan Higgins on drums) playing the groove so you can play along.