Perhaps it is unnecessary to do more than notice the appearance of a new edition of a book which before 1914 had earned for itself so high a reputation as that of Oppenheim. So much has happened since 1914 that a rather complete revision of many of the topics covered was justified, otherwise a 1926 edition would be misleading. The splendid contributions made by Dr. McNair in periodicals might have justified the hope of such thorough revision. The expectation is not met. Although Oppenheim\u27s and McNair\u27s material is to some extent thrown together indistinguishably, apart from certain paragraphs of Dr. McNair cited in the Preface, many of the pre-war statements appear without addenda or criticism, leading possibly to the conclusion that...