'These two volumes, containing both gentle introductions and research papers dealing with various aspects of Grothendieck's Esquisse, represent not only invaluable resources but also matière à rêver.' Monatshefte für Mathematik

• 1. Esquisse d'un programme A. Grothendieck; 2. Letter to Faltings A. Grothendieck; 3. The Algebraic fundamental group F. Oort; 4. Grothendieck's 'Long March through Galois Theory' L. Schneps; 5. Survey of the anabelian conjecture F. Pop; 6. Etale homotopy type of the moduli spaces of algebraic curves T. Oda; 7. Tame topology B. Teissier; 8. The obvious part of Belyi's theorem and Riemann surfaces with many automorphisms J. Wolfart; 9. Singularities of moduli spaces, Galois cartography and finite projective geometry V. Adrianov and G. Shabat; 10. π1 of moduli spaces at infinity P. Lochak; 11. Galois actions on higher genus mapping class groups H. Nakamura; 12. On GT L. Schneps; 13. On the GT action on covers D. Harbater and L. Schneps; 14. Two letters on non-abelian cohomology J.-P. Serre.

'These two volumes, containing both gentle introductions and research papers dealing with various aspects of Grothendieck's Esquisse, represent not only invaluable resources but also matière à rêver.' Monatshefte für Mathematik

• 1. Esquisse d'un programme A. Grothendieck; 2. Letter to Faltings A. Grothendieck; 3. The Algebraic fundamental group F. Oort; 4. Grothendieck's 'Long March through Galois Theory' L. Schneps; 5. Survey of the anabelian conjecture F. Pop; 6. Etale homotopy type of the moduli spaces of algebraic curves T. Oda; 7. Tame topology B. Teissier; 8. The obvious part of Belyi's theorem and Riemann surfaces with many automorphisms J. Wolfart; 9. Singularities of moduli spaces, Galois cartography and finite projective geometry V. Adrianov and G. Shabat; 10. π1 of moduli spaces at infinity P. Lochak; 11. Galois actions on higher genus mapping class groups H. Nakamura; 12. On GT L. Schneps; 13. On the GT action on covers D. Harbater and L. Schneps; 14. Two letters on non-abelian cohomology J.-P. Serre.

'These two volumes, containing both gentle introductions and research papers dealing with various aspects of Grothendieck's Esquisse, represent not only invaluable resources but also matière à rêver.' Monatshefte für Mathematik

• 1. Esquisse d'un programme A. Grothendieck; 2. Letter to Faltings A. Grothendieck; 3. The Algebraic fundamental group F. Oort; 4. Grothendieck's 'Long March through Galois Theory' L. Schneps; 5. Survey of the anabelian conjecture F. Pop; 6. Etale homotopy type of the moduli spaces of algebraic curves T. Oda; 7. Tame topology B. Teissier; 8. The obvious part of Belyi's theorem and Riemann surfaces with many automorphisms J. Wolfart; 9. Singularities of moduli spaces, Galois cartography and finite projective geometry V. Adrianov and G. Shabat; 10. π1 of moduli spaces at infinity P. Lochak; 11. Galois actions on higher genus mapping class groups H. Nakamura; 12. On GT L. Schneps; 13. On the GT action on covers D. Harbater and L. Schneps; 14. Two letters on non-abelian cohomology J.-P. Serre.