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.
Vasily Grossman Vasily Semyonovich Grossman (Russian: Васи́лий Семёнович Гро́ссман , Ukrainian: Василь Семенович Гроссман ; 12 December 1905 – 14 September 1964) was a Soviet Russian writer and journalist. Grossman was trained as an engineer and worked in the Donets Basin, but changed his career in the 1930s and published short stories and several novels. At the outbreak of the Second World War, he became a war correspondent for the Red Army newspaper "Krasnaya Zvezda", writing firsthand accounts of the battles of Moscow, Stalingrad, Kursk and Berlin. Grossman's eyewitness accounts of a Nazi extermination camp, following the discovery of Treblinka, were among the earliest. Grossman also translated Armenian literature into Russian, despite the fact that he could not read Armenian, instead working on the basis of an interlinear translation.