The Fourth Wing Books are Dominating Amazon's Kindle Best Sellers List in 2025 So Far

The Empyrean series has soared to new heights with the release of "Onyx Storm" earlier this year, propelling all three books to the top of Amazon's Kindle best sellers list for 2025. The series' popularity surged following the debut of "Fourth Wing" in 2023, largely fueled by the viral influence of BookTok. Since then, this captivating romantasy series has consistently dominated best seller charts, showcasing its widespread appeal.

The release of "Onyx Storm" has attracted a fresh wave of readers, underscoring the viral allure of Rebecca Yarros' storytelling. Her unique blend of fantasy and romance has captivated a diverse audience. The announcement of a "Fourth Wing" TV series at Amazon has further boosted the series' potential, positioning it to possibly outshine even the iconic Harry Potter franchise, provided it capitalizes on this momentum effectively.

The Physical Editions Are Popular Too

Onyx Storm (Deluxe Limited Edition)

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Not only does the Empyrean series lead the Kindle charts, but it also holds a strong position on Amazon's top-selling physical books list for 2025. Both the deluxe and standard editions of "Onyx Storm" rank within the top 10, while "Fourth Wing" remains in the top 25. The series' dominance in the physical book market is impressive, with "Onyx Storm" recently slipping to the second spot on the fiction list, overtaken only by the latest release from Suzanne Collins' Hunger Games series. As more readers dive into the series starting with "Fourth Wing," the rankings might shift again before the end of 2025.

Fourth Wing and Iron Flame are Part of Kindle Unlimited

Kindle Unlimited

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For those eager to explore the Empyrean series, the first two books, "Fourth Wing" and "Iron Flame," are currently available for free on the Kindle app with a Kindle Unlimited subscription. Subscribers can easily access these titles by logging into their Kindle account, allowing them to delve into the series before the books are potentially removed from the subscription service.