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Underwater

THE SARAH HOLT SERIES

Some evidence doesn't surface
on it's own 

Forensic crime fiction from a working underwater forensics professional. Set wherever the water hides what someone wants buried.

CRIME FICTION. REAL DEPTHS.

25+ YEARS BENEATH THE SURFACE

UNDERWATER FORENSICS

MARINE TECHNOLOGY

STORIES ROOTED IN EXPERIENCE

BEGIN THE INVESTIGATION ↓

01 / THE SARAH HOLT SERIES

The water keeps secrets.

The Girl Under The Pines Cover

BOOK ONE · COMING SOON

The Girl Under the Pines

Some secrets refuse to stay buried.

A decades-old death. An illegal toxic dumping operation. A conspiracy reaching far beyond a small New England town.

Get release updates ↗

FBI Special Agent Sarah Holt knows where to look. Authentic forensics. Psychological Suspense

The Dead Season Cover

BOOK TWO

The Dead Season

Coming soon

The Last Witness Cover

BOOK THREE

The Last Witness

Coming soon

Rhonda Muniz Underwater

02 / MEET THE AUTHOR

R. J. Moniz

Underwater investigator. Crime fiction author.

For more than twenty-five years, R. J. Moniz has worked where science, technology, and the underwater world meet. A scientific diver, underwater investigator, journalist, and marine technology specialist, she brings firsthand experience to The Sarah Holt Series.

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Her novels draw on real investigations, marine robotics, and underwater forensics to uncover crimes hidden beneath the surface.

03 / THE PODCAST 

Submerged
Evidence.

Where underwater investigations meet real life

Go beneath the surface with investigators, divers, scientists, and explorers. Discover how underwater evidence is found, documented, and interpreted.

Inside the podcast 

Submerged Evidence

04 /FIELD NOTES

BEYOND
THE NOVEL

Rhonda Moniz Profile

The real stories behind the fiction:

Underwater Forensic

Writing Research

Diving Expeditions

Environmental Crime

Ocean Exploration

Marine Technology

Behind the Series

Ocean Conservation

05 / SPEAKING

SPEAKING &
APPEARANCES

R.J. Moniz speaks nationally on : 

Underwater Forensic

Science Communication

Ocean Exploration

Marine Technology

Keynote Speaking

Media Interviews

The Research Behind Crime Fiction

Available for conferences, book festivals, libraries, universities, podcasts, and literary events.

The investigation begins in your inbox.

Exclusive research stories, early chapter previews, book announcements, podcast news, and reader-only giveaways.

JOIN THE INVESTIGATION

NEWSLETTER

CONTACT

Whether you’re a reader, reviewer, book club, event organizer, podcast host, or fellow writer, I’d love to hear from you.

R. J. MONIZ

© 2026 R. J. Moniz. All rights reserved.

Crime fiction where underwater forensics and psychological suspense converge.

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