Chapter 1 Into the Primitive (1) Chapter 2 The Law of Club and Fang (16) Chapter 3 The Dominant Primordial Beast (29) Chapter 4 Who Has Won to Mastership (48) Chapter 5 The Toil of Trace and Trail (60) Chapter 6 For the Love of a Man (81) Chapter 7 The Sounding of the Call (100) Appendix Classic Excerpts (123)