1. Introduction
2. The Global Torelli Theorem
3. The Hodge theoretic Torelli Theorem
3.2. Proof of the Hodge theoretic Torelli Theorem 1.3
4. Orientation
6. Mon_Hdg^2(X) is generated by reflections and Mon_Bir^2(X)
7. The monodromy and polarized monodromy groups
8. Monodromy quotients of type IV period domains
9. The K3^[n] deformation type
10. Open problems