12 booklets on the 12 circles by Thierry Alibert and Michel Jreige
These 12 little booklets (around 7 pages long) describe the different aspects of each circle with photos and commentaries according to the following chapters:
1. Opening of the corresponding meridian
2. Practising the circle as a form
3. Application in pairs with variation and dim mak
4. Chin Na standing, then as floor work, and the respective counterattacks