Capacities and analytic sets -- Eomogeneous trees and projective scales -- The axiom of determinacy, strong partition properties and nonsingular measures -- The axiom of determinacy and the prewellordering property -- Souslin cardinals, ?-souslin sets and the scale property in the hyperprojective hierarchy -- Closure properties of pointclasses -- A note on wadge degrees -- Ordinal games and playful models -- Measurable cardinals in playful models -- ? 2 1 monotone inductive definitions -- Trees and degrees