Memento Mori — Muriel Spark

Poignant, hilarious, and spooky, Memento Mori addresses old age

In late 1950s London, something uncanny besets a group of elderly friends: an insinuating voice on the telephone reminds each: Remember you must die. Their geriatric feathers are soon thoroughly ruffled, and many an old unsavory secret is dusted off.