Reading list
There are a number of books and notes on higher dimensional geometry.
Here is a somewhat random list sorted chronologically:
Young Person's guide to canonical singularities: Reid (Algebraic Geometry Bowdoin 1985)
The structure of algebraic threefolds: an introduction to Mori's program: Kollár (Bulletin of AMS 1987)
Introduction to the Minimal Model Program: Kawamata, Matsuda, Matsuki (Advanced Studies in Pure Mathematics 1987)
Higher Dimensional Complex Geometry: Clemens, Kollár, Mori (Asterisque 1988)
Flips and Abundance: Kollár et al (Asterisque 1991)
Birational Geometry of Algebraic Varieties: Kollár, Mori (CUP 1998)
Positivity in Algebraic Geometry, I & II: Lazarseld (Springer 2004)