R Glowinski and J L Lions (eds) Berlin: Springer-Verlag 1976 pp viii + 593 (191 in French) price $15.20 The book contains 25 of the papers presented at the symposium, this particular selection covering computational methods for the solution of a variety of problems in areas including oceanography (5), meteorology (4), fluid dynamics (3), and general methods for solving certain classes of equations (5). The papers, which are generally of a high standard with some by eminent authorities in the above subjects, will be of interest to researchers in the various fields.