Madeleine: A Life of Madeleine St John by Helen Trinca Text, 2013, 280 pages, $32.99 Madeleine St John was “pickled in love” as a small child, but her life was marred by unresolved grief. She died alone in a London hospital at the age of sixty-four, just a few years after one of her novels was shortlisted for the Booker Prize. It all began so well. The elder daughter of Sydney barrister Edward (Ted) St John and his French wife Sylvette Carghier, Madeleine was a war baby, born in Sydney in 1941 while her father was serving with the AIF…