The purpose of this book is to present to lawyers outside Sweden an introduction to Private International Law as applied in Sweden. As in the original Swedish version, (Internationell Privatriitt. Metod och Material, Stockholm 1962), emphazis is put on the structure and func tioning of conflict law, and the book does not attempt to present a comprehensive survey of Swedish conflict rules. A resume of these rules has, however, been included in the English edition. The author wants to express his thanks to those who have helped to make possible the publication of this book. Generous support was given by the Swedish State Council for Social Science Research. Dr. Stig Stromholm, Uppsala, prepared the translation into English of the original Swedish text. Some alterations were subsequently made in the, English version, including minor deletions of material which had ap peared in the Swedish original and the addition of some new material, including the whole of present chapter IV. The English text as a whole was finally revised by the author with the help, in the case of chapters I, IV, V and part of chapter II, of Mrs. Helen Moats Eek (Ph. D. , University of Chicago) and, in the case of chapter III and part of chapter II, of Mr. Richard Cox (B. Sc. Econ (Hons. ), F. R. Econ. Soc. ). Valua:ble assistance, particularly in the preparation of the bibliography and the index, was given also by Mr. Lars Lindgren (LL.