This book publishes, for the first time, some 400 letters between Edith Wharton and her chief London publisher, Macmillan. The correspondence highlights Wharton's determination to be taken seriously as a novelist, as well as her exceptionally developed understanding of the "sociology text" in the early twentieth century, casting new light on Wharton's working practices which will be of crucial importance for scholars. The letters offer readers a valuable and intimate insight into transatlantic publishing practices in the period.