Foreword.- Introduction.- Part I: Mathematics in the Heart of Africa.- 1. Rationale and Sources.- 2. Storytelling and Music.- 3. Creative Counting.- 4. Drawings.- 5. Reasoning Without Writing.- 6. Multiplication in the Yoruba and "Ethiopian" Way.- Part II: The Ishango Rod(s).- 7. The Ishango Site.- 8. Mathematical Carvings.- 9. Missing Link.- 10. Not Out of Africa.- 11. A Second Rod.- Part III: Ep...