Here is the last of the four “Neapolitan Novels” that have taken so many readers by storm: if you’ve read the others, you’ll probably have seized on this already, but if you haven’t, then you have the best possible treat before you.Elena Ferrante is a nom de plume, a celebrity absence that has perhaps added to the réclame of her work, but its public conduit, as it were, is her translator, Ann Goldstein, who is at least partly responsible for the extraordinary and almost shocking clarity of her writing, which pulls the reader vertiginously down a rabbit hole into the Naples where the novels are mainly centred.The first three (My Brilliant Friend; The Story of a New Name; Those Who Leave and Those Who Stay) cover less time from start to finish than this