Radiant Sin by Katee Robert is a scorching fantasy romance that delves into the seductive darkness of Olympus—a world where power is everything, trust is rare, and passion can be deadly. As the fourth installment in the Dark Olympus series, this story brings a bold and modern twist to the myth of Apollo and Cassandra, delivering a rich mix of romantic suspense, slow-burn chemistry, and political scheming.

Disgraced and wary of Olympus’s ruthless elite, Cassandra Gataki wants nothing more than to leave it all behind. But when the city's golden god, Apollo—Olympus’s charming spymaster—asks her to pose as his date for a week-long party hosted by a dangerous rival, she agrees... under one condition: freedom for her and her sister when it’s all over.

What begins as a fake relationship quickly ignites into something undeniable, with sparks flying between them amidst a backdrop of luxury, secrets, and betrayal. Apollo may be used to controlling the game, but Cassandra might just be the wildcard he never saw coming.

This book is perfect for readers who love enemies-to-lovers tension, forced proximity, high stakes, and a fiercely loyal heroine who challenges a powerful man both emotionally and intellectually. If you're drawn to steamy reimaginings of Greek myths with a touch of danger and a lot of heart, Radiant Sin is a must-read.

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