Best books of 2025: A look back at this year’s most exciting reads

2025 was a year of milestones. As we celebrated Penguin's 90th birthday, we reflected on the books that shocked us, comforted us, informed us, and ultimately shaped us over the last nine decades. And, as we marked what would have been Jane Austen's 250th birthday year, we fully embraced Austenmania with the classics that shaped her as a writer, the Austen aficionados who have kept her legacy alive, and even the modern-day books we'd recommend her most famous characters.
But 2025 was more than just a year for looking back, as there was no shortage of brilliant new books to look forward to – from escapist romances to unmissable debut novels, to prize-winning literary masterpieces and agenda-setting memoirs.
In no particular order, we've rounded up some of the many books that have defined this year.
Fiction
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