The book was published in 1960, so it reflects how scientists perceived transgender people at that time, and it illustrates the challenges that our transgender sisters had to face.
Look at this: "Physician Kenneth Walker, M.D. says, "The obstacles standing in the way of surgical treatment are formidable. In the first place, there are few surgeons capable of carrying out the series of plastic operations required to bring about an external change of sex. In the second place, many of those who now clamour for surgical treatment would hastily withdraw their candidature if they were to be told precisely what it entailed. In the third place the legality of the conversation operation is debatable."