Radiant Sin (Dark Olympus) (Paperback)

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Radiant Sin (Dark Olympus) By Katee Robert Cover Image
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Staff Reviews

If you're looking for something seriously spicy that's coupled with some grade-A pining, look no further than Radiant Sin. Katee Robert takes the myth of Apollo and Cassandra and turns it on its head, but weaves enough of the original story in that Greek mythology purists will still love Robert's take on this particular story. Once again, Katee Robert proves she's the master of sexy and sweet rolled into one (Radiant Sin also comes with a heavy dollop of body positivity!). I'll be chomping at the bit for the next Dark Olympus book.
— From Heather's H.'s Picks (page 1)

February 2023 Indie Next List

“The Dark Olympus series is a must read! I loved every moment of Radiant Sin, and read until the wee hours because I NEEDED to know how it would end; what an ending it was. High romance, intrigue, and fun — this is one of my favorites in the series!”
— Alexis Sky, Book House of Stuyvesant Plaza, Albany, NY


There's nowhere more dangerous than Olympus...and no one more captivating than its golden god: Apollo. Keeper of secrets, master of his shining realm...and the only man I am powerless to deny.

*A scorchingly hot modern retelling of Apollo and Cassandra.*

As a disgraced member of a fallen house, Cassandra Gataki has seen firsthand what comes from trusting the venomous Thirteen. But when the maddeningly gorgeous and kind Apollo asks her to go undercover as his plus-one at a week-long party hosted by a dangerous new power player…Cassandra reluctantly agrees to have his back.

On one condition: when it's all over, and Apollo has the ammunition he needs to protect Olympus, she and her sister will be allowed to leave. For good.

Apollo may be the city's official spymaster, but it's his ability to inspire others that keeps him at the top. Despite what the rest of Olympus says, there's no one he trusts more than Cassandra. Yet even as their fake relationship takes a wicked turn for the scaldingly hot, a very real danger surfaces… threatening not only Cassandra and Apollo, but the very heart of Olympus itself.

"Deliciously inventive…Red-hot."—Publishers Weekly STARRED Review for Neon Gods

"I get shivers just thinking of their interactions. SHIVERS."—Mimi Koehler for The Nerd Daily for Neon Gods

The World of Dark Olympus:

Neon Gods (Hades & Persephone)

Electric Idol (Eros & Psyche)

Wicked Beauty (Achilles & Patroclus & Helen)

Radiant Sin (Apollo & Cassandra)

About the Author

Katee Robert is a New York Times and USA Today bestselling author of contemporary romance and romantic suspense. Entertainment Weekly calls her writing “unspeakably hot.” Her books have sold over a million copies. She lives in the Pacific Northwest with her husband, children, a cat who thinks he’s a dog, and two Great Danes who think they’re lap dogs.

Praise For…

"This twisty romance will keep readers guessing from start to finish, and the irresistible leads are sure to become fan favorites. This addictive series is nowhere close to flaming out." — Publishers Weekly
Product Details
ISBN: 9781728257006
ISBN-10: 172825700X
Publisher: Sourcebooks Casablanca
Publication Date: February 7th, 2023
Pages: 368
Language: English
Series: Dark Olympus