In between Morris West and Christopher Isherwood who's  best-known works is "The Berlin Stories" (1935-39)?
Morris West Morris Langlo West AO (26 April 19169 October 1999) was an Australian novelist and playwright, best known for his novels "The Devil's Advocate" (1959), "The Shoes of the Fisherman" (1963) and "The Clowns of God" (1981). His books were published in 27 languages and sold more than 60 million copies worldwide. Each new book he wrote after he became an established writer sold more than one million copies.
Frederick Merrick White Frederick Merrick White (1859–1935) wrote a number of novels and short stories under the name "Fred M. White" including the six 'Doom of London' science-fiction stories, in which various catastrophes beset London. These include "The Four Days' Night" (1903), in which London is beset by a massive killer smog; "The Dust of Death" (1903), in which diphtheria infects the city, spreading from refuse tips and sewers; and "The Four White Days" (1903), in which a sudden and deep winter paralyses the city under snow and ice. These six stories all first appeared in Pearson's Magazine, and were illustrated by Warwick Goble. He was also a pioneer of the spy story, and in 2003, his series "The Romance of the Secret Service Fund" (written in 1899) was edited by Douglas G. Greene and published by Battered Silicon Dispatch Box.