1. Evolutionary Studies of Cooperation

   • John Bock

   EditorialNotes 18 September 2009 Pages: 351 - 353

2. Birth Order, Age, and Hunting Success in the Canadian Arctic

   • Peter Collings

   OriginalPaper 21 August 2009 Pages: 354 - 374

   

3. Maternal Time Allocation in Two Cooperative Childrearing Societies

   • Courtney L. Meehan

   OriginalPaper 16 September 2009 Pages: 375 - 393

   

4. Kinship and Cooperation

   • Michael Alvard

   OriginalPaper 16 September 2009 Pages: 394 - 416

   

5. Hadza Cooperation

   • Frank W. Marlowe

   OriginalPaper 25 August 2009 Pages: 417 - 430

   

6. The Pay-Offs to Sociability

   • Victoria Reyes-García
   • Ricardo A. Godoy
   • TAPS Bolivian Study Team

   OriginalPaper 16 September 2009 Pages: 431 - 446

7. Richard Wrangham, Catching Fire: How Cooking Made Us Human

   • R. I. M. Dunbar

   BookReview 16 September 2009 Pages: 447 - 449