Richard E. Leakey

Origins Reconsidered: In Search of What Makes Us Human

By Roger Lewin, Richard E. Leakey, Lewin, Roger, E. Leakey, Richard

Origins: What New Discoveries Reveal About the Evolution of Our Species and Its Possible Future

By Richard E. Leakey, Roger Lewin, Leakey Richard E

The Making of Mankind

By Richard E. Leakey

The Making of Mankind

By Richard E. Leakey

Origins Reconsidered: In Search of What Makes Us Human

By Richard E. Leakey, Roger Lewin

People of the Lake: Man, His Origins, Nature and Future

By Richard E. Leakey, Roger Lewin

Elephants: Saving the Gentle Giants

By Ronald Orenstein, Richard E. Leakey, Brian Beck