
The Book Review Book Club: Let’s Talk About ‘What We Can Know’
Dec 27, 2025
In this engaging discussion, Sarah Lyall, a writer for The New York Times, and Leah Greenblatt, an editor at the Book Review, dive into Ian McEwan's intriguing new novel, "What We Can Know." They explore its complex structure, touching on themes of memory, knowledge, and the search for a lost poem in a climate-devastated future. The duo debates the narrative shifts and the emotional weight of characters’ pasts, while also comparing McEwan's latest to his celebrated works. Their insights reveal why this novel resonates deeply with contemporary readers.
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Episode notes
Future Setting Serves The Present
- Ian McEwan's novel blends a future climate-affected setting with a literary mystery about a lost poem.
- The book uses the speculative future mainly to reflect on our present, not to do extensive worldbuilding.
Ideas Trump Worldbuilding
- The novel favors provocation and intellectual work over spectacle or full sci-fi worldbuilding.
- McEwan intentionally limits technical detail to keep focus on ideas and character rather than genre trappings.
Archive Overload Doesn’t Equal Certainty
- A flood of archival material in the future doesn't guarantee access to truth about the past.
- The title, What We Can Know, asks how reliably historians can reconstruct events from records.
