2015 Reprint of 1961 Edition. Full facsimile of the original edition. Not reproduced with Optical Recognition Software. Georg Groddeck was a physician and writer regarded as a pioneer of psychosomatic medicine. Groddeck is often mistaken for an orthodox disciple of Sigmund Freud; indeed, he was perhaps the only analyst whose views had some effect on Freud. Freud mentions Groddeck in "The Ego and the Id," crediting him with giving a name to what Freud had already given a local habitation, to wit, the Id. The "Book of the It" is an unusual work in which each chapter is in the form of a letter to a girlfriend addressed as "my dear". Groddeck attempts to