For 10 points, identify this work in which some senile folks receives anonymous phone calls with the message "Remember, you must die," a novel by Muriel Spark.
One character in this work frequently visits the young Olive Mannering to satisfy his sexual urges. Central to this work is the manipulative nature of the housekeeper Mabel Pettigrew, who blackmails her mistress to make Mabel the benefactor of her estate. That mistress, Lisa Brooke, had an affair with Godfrey Colston. Godfrey's sister Lettie isolates herself after the central events don't stop and dies trying to fend off a robber in this novel. Chief Inspector Henry Mortimer is unable to determine the culprit who sends mysterious messages to the central characters of this work. Set in the 1950s, it shows how the residents of a (*) nursing home cope, or fail to cope, with their impending death. For 10 points, identify this work in which some senile folks receives anonymous phone calls with the message "Remember, you must die," a novel by Muriel Spark.
One character in this work frequently visits the young Olive Mannering to satisfy his sexual urges.
{Memento Mori}