My Name is Lucy BartonELIZABETH STROUT (VIKING, 208 PP, £12.99)Tablet bookshop price £11.70 • Tel 01420 592974 Elizabeth Strout’s fifth novel is a bit of a puzzle. The title may hold a clue: for Lucy, even to acknow­ledge herself as someone with the right to her own name is difficult. She has struggled to escape the shameful, loveless poverty of her Midwestern childhood and make it as a fiction writer in New York. This is a story about writing, identity and isolation, and it asks questions about the ruthlessness needed to succeed in storytelling. It is a surprising departure from the author of the marvellous Olive Kitteridge.Lucy Barton is in hospital after having had her appendix out. She is isolated from her husband and young daughters, and she misses them te