Preface. Free Boundary Problems in Geochemistry; J. Chadam.(with an appendix by R. Ricci). Shape Derivatives and Differentiability of Min Max; M.C. Delfour. Some Free Boundary Problems with Industrial Applications; A. Fasano. Problèmes de surfaces libres en mécanique des fluides; M. Fortin. Numerical Structural Optimization via a Relaxed Formulation; R.V. Kohn. Optimal Shape Design with Applications to Aerodynamics; O. Pironneau. Approximation and Localization of Attractors; K. Promislow, R. Temam. Shape Sensitivity Analysis of Variational Inequalities; J. Sokolowski. Diffusion with Strong Absorption; I. Stakgold. An Introduction to the Mathematical Theory of the Porous Medium Equation; J.L. Vazquez. Asymptotic Behaviour Near Extinction Points for a Semilinear Equation with Strong Absorption; J.J.L. Velázquez. Introduction to Shape Optimization Problems and Free Boundary Problems; J.-P. Zolésio. Index.