Allegorizings

New York Times Book Review • Editors' Choice Jan Morris delivers her final volume, brimming with reminiscences, meditations on daily life, and mini-essays on everything from maturity to whistling to Princess Diana. Not so long ago, feeling intimations of mortality, Jan Morris embarked on a wholly novel literary enterprise. What began as a series of high-minded letters to her late daughter—in the style of Lord Chesterfield addressing his son—quickly transformed itself into a potpourri of mini-ess