Seventeen articles from the most outstanding contemporary topics in algebraic geometry.

1. On the Betti number of birationally isomorphic projective varieties with trivial canonical bundles V. V. Batyrev; 2. A Calabi-Yau threefold with non-abelian fundamental group A. Beauville; 3. Introduction to the theory of Gromov-Witten K. Behrend; 4. Kähler-hyperbolicity and variations of Hodge structures Philippe Eyssidieux; 5. Algorithms for computing intersections numbers on moduli spaces of curves, with an application to the class of the locus of Jacobians C. Faber; 6. On some tensor representations of the Cremona group of the projective plane M. Gizatullin; 7. Hilbert schemes and simple singularities Y. Ito; 8. Bounds for Seshadri constants O. Küchle; 9. Degenerate double covers of the projective plane M. Manetti; 10. The geometry underlying mirror symmetry D. R. Morrison; 11. Duality of polarized K3 surfaces S. Mukai; 12. Hilbert schemes and simple singularities I. Nakamura; 13. On symplectic invariants of algebraic varieties coming from crepant contractions R. Paoletti; 14. Bogomolov-Pantev resolution - an expository account K. H. Paranjape; 15. Symplectic Gromov-Witten invariants B. Siebert; 16. Mordell-Weil lattices for higher genus fibration over a curve T. Shioda; 17. Bounds for Seshadri constants A. Steffens; 18. A generic Torelli theorem for the quintic threefold C. Voisin; 19. Flops, Type III contractions and Gromov-Witten invariants on Calabi-Yau threefolds P. M. H. Wilson.