Welcome to Bob Breen's martial arts portal

Here you'll find online courses and ebooks that are the result of 50+ years of teaching and training in 4D Combat, JKD and Kali at the highest level.

If you're a beginner, think of starting with 'Power Punching' or read 'Fighting' to understand the process. If you're keen or more experienced then jump into the Legacy Pack or join the 4D Online course. Empty hands or weapons, there's something for you below...