Chapter 1. Why critique ? Why physics?.- Chapter 2. Main reasons to call a text into question.- Chapter 3. Risk factors.- Chapter 4. Benefits and limits of a classification.- Chapter 5. Conceptual mastery and critical attitude: complex links.- Chapter 6. Activating criticism without delay.- Chapter 7. An education in critical analysis.- Chapter 8. Critique: a prelude to deeper comprehension.- Appendices A, B, C, D, E, F, G, H, I, J.