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

Rebecca Yarros's Empyrean series continues its meteoric rise, with the recent release of Onyx Storm propelling all three books to the top of Amazon's 2025 Kindle bestsellers list. The series' popularity exploded in 2023 following the release of Fourth Wing, largely thanks to the power of BookTok. This romantasy series has since conquered numerous bestseller charts. The success of Onyx Storm is a testament to Yarros's captivating blend of fantasy and romance, appealing to a vast readership. With an Amazon-produced Fourth Wing TV series now in the works, the Empyrean series has the potential to surpass even the Harry Potter franchise in popularity.

The Physical Editions Are Also Flying Off Shelves

Onyx Storm (Deluxe Limited Edition)

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While dominating the Kindle charts, the Empyrean series also holds a prominent position 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, with the series' continued growth, a return to the top spot before the end of 2025 is entirely possible.

Fourth Wing and Iron Flame are Available on Kindle Unlimited

Kindle Unlimited

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For Kindle Unlimited subscribers, the first two books in the Empyrean series, Fourth Wing and Iron Flame, are currently available for free on the Kindle app. Don't miss out—download them before they're no longer included in your subscription.