1. Introduction , Alessio Corti
2. 3-fold flips after Shokurov , Alessio Corti
3. What is log terminal? , Osamu Fujino
4. Special termination and reduction to pl flips , Osamu Fujino
5. Extension theorems and the existence of flips , Christopher Hacon and James McKernan
6. Saturated mobile b-divisors on weak del Pezzo klt surfaces , Alessio Corti, James McKernan, and Hiromichi Takagi
7. Confined divisors , James McKernan
8. Kodaira's canonical bundle formula and adjunction , János Kollár
9. Non-klt techniques , Florin Ambro
10. Glossary , Alessio Corti
Bibliography
Index