The Empyrean series has surged to prominence in recent years, propelled by its innovative storyline and a viral boost from TikTok. The series kicked off with "Fourth Wing," which has remained a fixture on Amazon's top-sellers list since 2023. The latest installment, "Onyx Storm" by Rebecca Yarros, has also made waves, securing the number two spot for preorders on Amazon in 2024.

Mark your calendars: "Onyx Storm" is set to be officially released on Tuesday, January 21. Currently, preorders for the book are discounted on Amazon. For those new to the series, the first two books, "Fourth Wing" and "Iron Flame," are available for free with a Kindle Unlimited subscription, but only for a limited time.

Onyx Storm Preorders

Onyx Storm (Standard Edition)

• Hardcover and Kindle versions available at a discount.
• $29.99 save 30% - $20.98 at Amazon
• $29.99 save 50% - $14.99 at Amazon Kindle

Preorders for the standard edition of "Onyx Storm" are currently discounted for both the Hardcover and Kindle ebook formats. The deluxe edition remains at full price, and paperback versions are not yet available. For more purchasing options, refer to our comprehensive guide on where to buy books online.

What Is the Empyrean Series About?

Before diving into the series, a friend recommended "Fourth Wing" to me, describing it as "Like the Harry Potter books, but with dragons." Initially, this comparison holds true, but the narrative quickly evolves, drawing parallels to the Twilight series. The series is a blend of magical fantasy and romance, delving into graphic details.

The story centers on Violet Sorrengail, a seemingly delicate young woman coerced by her influential mother into joining the perilous academy of dragon riders. As Violet navigates her vulnerabilities and strives to survive, she confronts her intricate feelings towards her mother, a former friend, and a boy she suspects wishes her harm. Amidst this, deeper secrets about the dragons and her world unfold, positioning Violet at the heart of a grand romance and a larger mystery.

Fourth Wing and Iron Flame on Kindle Unlimited

Kindle Unlimited

• See subscription options.
• See it at Amazon

The first two books of the Empyrean series, "Fourth Wing" and "Iron Flame," are currently accessible for free through the Kindle app with a Kindle Unlimited subscription. To immerse yourself in the series, log into your Kindle account and download these titles before they are removed from the subscription service.