The Thermodynamics of Black Holes -- to Quantum Fields in Curved Spacetime and the Hawking Effect -- Large N Field Theories, String Theory and Gravity -- Lectures on D-branes, Tachyon Condensation, and String Field Theory -- Billiard Dynamics of Einstein-Matter Systems Near a Spacelike Singularity -- Tall Tales from de Sitter Space -- Causal Sets: Discrete Gravity -- Thermaldecay of the Cosmolo…