On the Shelf Come Back in September: A Literary Education on West Sixty-Seventh Street, Manhattan By Darryl Pinckney FSG: 432 pages, $32 If you buy books linked on our site, The Times may earn a commission from Bookshop.org, whose fees support independent bookstores. In 2019, the writer Saskia Hamilton published “The Dolphin Letters,” which chronicles the pain inflicted by Lowell …