Birdsong (novel) on how the novel, like many other WWI novels, thematically focuses on the way in which the experience of trauma shapes individual psyches. Similarly, because of the parallel narratives WWI and 1970s Britain, the novel explores metahistorical questions about how to document and recover narratives about the past. Because of its genre, themes and writing style, the novel has been favourably compared to a number of other war novels, like Ian McEwan's "Atonement" and those in Pat Barker's Regeneration Trilogy. "Birdsong" is part of a loose trilogy of novels by Sebastian Faulks, alongside "The Girl at the Lion d'Or" and
Birdsong (novel) "[ran] into problems"—especially concerning Elizabeth Benson, whom he "stopped believing in [as a] character". Unlike other reviewers, the critic Sarah Belo did not question the historical investigation plot, but the depiction of Elizabeth's experience as a 1970s woman in England. On the other hand, almost all of the reviewers describe the novel's war sections as excellently written; for example, the review in the "Los Angeles Times" called the sections "so powerful as to be almost unbearable". The novel has been favourably compared to other World War I and II novels, including "All Quiet on the Western Front", "The Young Lions"