M

Mandeep

1 bookMysteryThrillerFantasy

Mandeep is an author of atmospheric thrillers and speculative mysteries that delve into the intersections of memory, acoustic science, and human connection. Fascinated by forgotten archives and hidden subterranean architecture, Mandeep weaves complex, high-stakes narratives driven by vulnerable, relatable characters. When not crafting intricate conspiracies or researching vintage audio technology, Mandeep enjoys exploring historic city basements, collecting rare vinyl records, and drinking strong pour-over coffee. Subterranean Frequencies is Mandeep's latest novel. Connect with the author online to discover future projects and behind-the-scenes insights.

Book

Subterranean Frequencies

Subterranean Frequencies

Some secrets echo from the dark, waiting to rewrite who you are.

  • Mystery
  • Thriller
  • Fantasy

For night-shift sound archivist Walter Holloway, the Natural History Museum's vault is a quiet sanctuary from his crippling anxiety. But while digitizing century-old wildlife field recordings, the silence shatters. Interwoven among antique nature tracks are recent, intimate audio recordings of private conversations from inside his own apartment. When Walter checks the high-security archives, he discovers an impossible truth: someone has replaced the authentic master reels with freshly forged duplicates. Teaming up with Evelyn Sartain, a sharp cataloger with whom he shares an undeniable connection, Walter follows a trail of modified vintage magnetic tape machines directly beneath their feet. Deep below the museum's stone foundation lies a clandestine subterranean research lab. Under the direction of a corrupt institutional elite, rogue scientists are weaponizing low-frequency sound waves engineered to distort human memory. Stalked by covert operatives and running out of time, Walter and Evelyn must descend into the labyrinthine tunnels to dismantle the acoustic generator before their minds, their lives, and the truth itself are wiped clean. A pulse-pounding psychological thriller blending atmospheric suspense, romance, and conspiracy, Subterranean Frequencies will make you question every sound in the dark.