The Devil's Insomnia: A Hardboiled Occult Thriller

By Shuvam Ghosh

"The nightmare wasn't something that happened to you. It was something you lived in. It was the rent you paid for existing.

"The city didn't mourn the dead. It just buried them and waited for the next shift.

Mona Smith is a detective with a badge that feels like a target and a past that won't stay buried. When a body is found in an abandoned cathedral-dismantled like a faulty engine and carved with symbols older than the city's sins-Mona knows this isn't just a murder. It's an opening statement.

The investigation drags her into the orbit of "The Vespers," a high-society cult that trades in souls and silver. At the center of the web sits Julian Valerius, a man with a voice like velvet wrapped around a razor blade, who promises to wake the city from its nightmare by burning it down.

Hunted by corrupt cops, haunted by the ghost of a partner she couldn't save, and bleeding from wounds that won't stitch shut, Mona has to go rogue. She has to trade her badge for a gun and her morals for ammunition.

The ritual is set for the Blood Moon. The altar is waiting beneath the subway tracks. And the only thing standing between New York and hell on earth is a woman with nothing left to lose but her life.

God isn't here. Just her.

• Format: Paperback
• Language: English
• ISBN: B0GKY9Q47B
• ISBN13: 9798246465837
• Release Date: February 2026
• Publisher: Independently Published
• Length: 276 Pages
• Weight: 0.82 lbs.
• Dimensions: 0.6" x 6.0" x 9.0"