The Fourth Wing Books are Dominating Amazon's Kindle Best Sellers List in 2025 So Far
Rebecca Yarros's Empyrean series continues its phenomenal success, with the recent release of Onyx Storm propelling all three books to the top of Amazon's 2025 Kindle bestsellers list. The series' popularity skyrocketed after the 2023 publication of Fourth Wing, largely thanks to the viral buzz on BookTok. This romantasy series now consistently tops bestseller charts. The surge in readers following Onyx Storm's release showcases the powerful impact of Yarros's writing, which expertly blends fantasy and romance to captivate a wide audience. With an upcoming Amazon TV adaptation of Fourth Wing, the Empyrean series has the potential to achieve even greater heights, potentially surpassing even the Harry Potter franchise.

The Physical Editions Are Also Popular

Onyx Storm (Deluxe Limited Edition)
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While dominating the Kindle charts, the Empyrean series also features prominently on Amazon's 2025 top-selling physical books list. Both the deluxe and standard editions of Onyx Storm are in the top 10, with Fourth Wing remaining in the top 25. Only the recent release of Suzanne Collins' new Hunger Games novel has knocked Onyx Storm from the number one fiction spot. However, given the continued influx of new readers discovering the series through Fourth Wing, this ranking could easily shift again before the year's end.
Fourth Wing and Iron Flame are Part of Kindle Unlimited

Kindle Unlimited
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Readers with a Kindle Unlimited subscription can currently access Fourth Wing and Iron Flame for free on the Kindle app. Don't miss your chance to dive into the series before these titles potentially rotate out of the subscription service.
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