Throne of Nightmares (Prince of Sin #3)

Throne of Nightmares (Prince of Sin #3) by Kerri Maniscalco is out now since February 10, 2026.

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Throne of Nightmares (Prince of Sin #3)
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Throne of Nightmares (Prince of Sin #3) Release Date: February 10, 2026

Published

‘Beware of waking the gods, their dreams are often our nightmares . . .’

A book of dangerous magic draws two readers into a perilous quest to find it – and their own happy ending – in this action-packed standalone fantasy romance from Sunday Times bestselling sensation Kerri Maniscalco.

A prince who prefers games of the head to those of the heart.

Prince Sloth hates leaving his enchanted library, but when a forgotten deity threatens the very fabric of the Underworld, he’s thrust into a race against time. He must find the Book of Nightmares – an ancient artifact that has the power to break worlds – before it unleashes a deadly game to free its master, the Goddess of Night. When a betrayal leaves him marked, and desperate, his path collides with a young woman who possesses the legendary Phoenix Tear – a portal stone unlike any other.

A librarian who is all sweet sunshine . . . until she burns.

Lore Brimstone has always loved getting lost in a book – but she never meant literally. Yet, after visiting a traveling caravan, she quickly finds herself transported to a terrifying but oddly familiar world – with a calculating prince at her side. Realizing they are living out her favourite novels one by one, they face off against an increasingly dark magic as they try to survive the story.

A twisted tale that means they can’t trust themselves – or their hearts.

As Lore and Sloth navigate the pages of her beloved novels gone wrong, she must channel her inner main character to defeat the Book of Nightmares before the wall between the gods and mortals comes crashing down, dooming them all.

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Genre: Fantasy

Kerri Maniscalco

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Book Club Journal: Reading Log For Adults & Kids Who Love Books!
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We earn a commission if you make a purchase, at no additional cost to you.

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