The Psychoanalytic Process: Theory, Clinical Observation and Empirical Research by Joseph Weiss, Harold Sampson and the Mount Zion Psychotherapy Research Group. In the review of this book by Dr R. S. Wallerstein (Int. J. Psychoanal., 68: 565–567) there are two errors in the text. These occur on page 566. The first one is in the last line of the first paragraph where the word 'other' should be 'others'. In the next paragraph on the 9th line the word 'ever' has been printed where it should read 'even'. We would like to apologize to Dr Wallerstein and to our readers for these errors.