Complex sentence: Her books of the 1930s in particular had a satiric exuberance, as in "Pomfret Towers," which sends up village ways, aristocratic folly and middle-class aspirations, while in the 1940s, her work was colored by the war and the war efforts.
Split into simpler sentences: Her books of the 1930s in particular had a satiric exuberance, as in "Pomfret Towers", which sends up village ways, aristocratic folly and middle-class aspirations. In the 1940s, her work was colored by the war and the war efforts.