Book Review 1974 By Francine Prose Harper: 272 pages, $27.99 If you buy books linked on our site, The Times may earn a commission from Bookshop.org, whose fees support independent bookstores. The paradigm-changing era from the 1960s through the tumult of the early 1970s is the backdrop of novelist Francine Prose’s first memoir, “1974.” Her title’s namesake year included the …