With Stig Abell and Thea Lenarduzzi – Seamus Perry on the difficult, "spiritually dyspeptic" life and work of D. H. Lawrence; Ruth Scurr on two new books by Elena Ferrante, and the struggle over her name; Kathryn Hughes on the knotty, globe-spanning cultural life of hair; and finally, a snippet from our recent interview with the American author Lionel Shriver: can fiction contain the real-life Trump?