The Empyrean series has taken the literary world by storm 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' surge in popularity began with the debut of "Fourth Wing" in 2023, largely fueled by the viral influence of Booktok. Since then, Rebecca Yarros' blend of fantasy and romance has captivated a wide audience, propelling the romantasy series to the pinnacle of best seller charts.
The release of "Onyx Storm" has drawn a flood of new readers to the series, showcasing the infectious appeal of Yarros' storytelling. With its perfect mix of fantasy and romance, the series has resonated deeply with readers across various demographics. The announcement of a "Fourth Wing" TV series in development at Amazon further elevates the potential for the Empyrean series to eclipse even the iconic Harry Potter franchise, provided it continues to captivate audiences.
The Physical Editions Are Popular Too
Onyx Storm (Deluxe Limited Edition)
1. See it at Amazon 2. See it at Barnes and Noble 3. See it at Target
While dominating the Kindle charts, the Empyrean series also claims a significant presence on Amazon's top-selling physical books list for 2025. Both the deluxe and standard editions of "Onyx Storm" secure spots within the top 10, with "Fourth Wing" maintaining a strong position in the top 25. The only recent challenge to "Onyx Storm's" dominance came with the release of Suzanne Collins' new Hunger Games book, pushing "Onyx Storm" to the second spot on the fiction list. However, with the influx of new readers starting with "Fourth Wing," we might see "Onyx Storm" reclaim its top position before the end of 2025.
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Fourth Wing and Iron Flame are Part of Kindle Unlimited
Kindle Unlimited
35. See subscription options. See it at Amazon
For those eager to dive into the Empyrean series, "Fourth Wing" and "Iron Flame" are currently available at no additional cost on the Kindle app for Kindle Unlimited subscribers. To start your journey with the series, simply log into your Kindle account and download these captivating novels before they are potentially removed from the Kindle Unlimited catalog.
