Katherine Arden Books

Katherine Arden studied Russian and spent time living abroad before she ever published a word, and it shows in every page she writes. Her debut, The Bear and the Nightingale, arrived in 2017 and quietly became one of the most beloved folklore fantasies of the decade. Two sequels followed fast, The Girl in the Tower later that same year and The Winter of the Witch in 2019, completing the Winternight trilogy and turning Arden into a New York Times bestseller with one of the most loyal readerships in fantasy. It is the rare trilogy that people reread annually, usually in December, usually with tea.

What defines her writing is atmosphere. Arden builds medieval Russia so vividly you can feel the cold coming off the page: frozen forests, household spirits hiding behind the oven, villages caught between the old gods and the new church, and the creeping sense that winter itself is watching. Her heroine Vasya is stubborn, wild, and wonderfully uninterested in being married off or shipped to a convent, and her slow-building bond with Morozko, the frost demon, has become a touchstone for readers who like their slow burn glacial in every sense of the word. There is also real historical grounding underneath the magic: marriage politics, Mongol tribute, the church consolidating power, all of it pressing on Vasya as hard as any supernatural threat. The trilogy works as historical fiction even before the frost demon shows up at the edge of the woods.

Beyond Winternight, Arden wrote the Small Spaces quartet, genuinely creepy middle grade horror that ran from 2018 through 2022's Empty Smiles. In 2024 she published The Warm Hands of Ghosts, a haunting First World War novel about a combat nurse searching for her lost brother in Flanders, which showed she can break your heart without a single house spirit. Her next book, The Unicorn Hunters, is due in June 2026, so she is very much still writing, and still refusing to repeat herself.

A word on heat, because it matters on our spice scale of 0 to 5: Arden sits at a 0 to 1. The romance in Winternight is all longing, restraint, and charged silences in the snow. Nothing explicit ever happens on the page, and the love story stays ambiguous for most of the trilogy. If you need open door scenes, this is simply not that book. If you believe tension is hotter than anything explicit, Vasya and Morozko may permanently raise your standards.

So why does Arden matter to romantasy readers? Because Winternight is genre ancestry. A mortal girl and an ancient winter spirit, a dark fairytale atmosphere thick enough to get lost in, a heroine who refuses every cage her world builds for her: the DNA of half the fae romances on your shelf is right here, written with more literary polish than nearly all of them. She is also the perfect palate cleanser between spicier reads, the book equivalent of stepping outside into clean snow after a crowded party. Readers who came to fantasy through romance often cite her as the author who made them fall for prose itself. Booksellers still hand-sell the trilogy year after year, which tells you something about its staying power in a genre where most titles vanish within eighteen months.

Start with The Bear and the Nightingale and read strictly in order. The trilogy is one continuous story, and the payoff in The Winter of the Witch, where every thread from the first two books comes due, only lands if you have lived through the whole journey with Vasya. Save The Warm Hands of Ghosts for when you want something quieter and sadder, hand Small Spaces to the spooky kid in your life, and keep an eye out for The Unicorn Hunters later this year. Winter is the right season for her books, but honestly, any season works.