I. Thought Experiments: Thought Experiments in Ancient Greece -- What Thought Experiments Represent -- Models and Thought Experiments -- The Function of Thought Experiments -- What Thought Experiments Tell Us and Don't Tell Us About the World -- Enter the Demons -- II. Laplace's Demon: Laplace's Demon: Causal and Predictive Determinism -- Causality, Determinism and the Block Universe -- The Time-Reversal Invariance of Fundamental Laws -- Determinism and Its Implications -- Determinism and Free Will -- What Laplace's Demon Tells Us and Does not Tell Us About the World -- III. Maxwell's Demon: Local and Cosmic Arrows of Time -- Maxwell's Demon -- Loschmidt's Demon: Reversibility and Irreversibility -- Indeterminism -- Indeterminism and Free Will -- Entropy -- The Past-Future Asymmetry -- What Maxwell's Demon Tells Us and Does not Tell Us About the World -- IV. Nietzsche's Demon: The Eternal Recurrence of Events -- Landsberg's Demon -- Physical and Phenomenal Time -- The Evolution of the Universe -- Time and Change -- Is There a Master Arrow of Time? -- What Landsberg's Demon Tells Us and Does not Tell Us About the Arrows of Time. .