Chapter 1 Introduction; Chapter 2 Trotsky’s Analysis of the Lessons of 1905; Chapter 3 The Russian Social Democrats and Military–Revolutionary Activity, 1905–1912; Chapter 4 Trotsky Reports the Balkan Wars; Chapter 5 Trotsky’s Analysis of Military Matters during the World War; Chapter 6 The Military and the Revolution February–June, 1917; Chapter 7 Trotsky and the Organization of the Petrograd Revolution; Chapter 8 Conclusions;