Muriel Spark books in order
9 books in the catalogue, about 57 hours of reading in all; the shortest takes 2 hours and the longest 24 hours.
9 standalone books in the catalogue.
Standalone books
Memento Mori 4.4 h 
The Ballad of Peckham Rye 2.6 h 
The Prime of Miss Jean Brodie 3.0 h 
The Girls of Slender Means 2.7 h 
The Driver's Seat 2.2 h 
Loitering with Intent 4.0 h 
The Penguin Book of Horror Stories 11.1 h 
A Far Cry from Kensington 3.5 h 
Prentice Hall Literature - Timeless Voices, Timeless Themes - The British Tradition 23.9 h