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5 ratings | 2 reviews | avg rating:5.00

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David Williams

Goodreads Author

Born

in Buffalo, The United States

Website

Https://www.CipherlockPress.com/

Genre

Science Fiction, Thriller, Mystery

Influences

J.R.R. Tolkien, C.S. Lewis, Crichton, Deaver, Rollins, Child, Anthony, ...more

Member Since

July 2025

URL

https://www.goodreads.com/umbrasignalcom

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David Williams is the author of The Umbra Trilogy, beginning with The Umbra Signal, an Amazon Bestseller, 2025 American Writing Awards Finalist, 2026 Cygnus Awards Long List for Science Fiction, and a Reedsy Discovery ★★★★★ MUST READ.

Drawing on decades of experience in engineering, emissions science, and international research, Williams combines real science with Cold War history, archaeology, mathematics, linguistics, and speculative physics to create grounded, cinematic techno-thrillers.

The Umbra Trilogy explores hidden patterns woven through history, asking one question:

If reality could be rewritten, what part of you would survive?

The trilogy concludes September 30. The Umbra Signal introduces the mystery. The Umbra Splinter

...more

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Combine Editions
David Williams’s books

Average rating: 4.22 · 23 ratings · 13 reviews · 3 distinct works • Similar authors

	The Umbra Signal 4.25 avg rating — 24 ratings — 3 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	The Umbra Splinter: Book Two of the Umbra Trilogy 0.00 avg rating — 0 ratings — 3 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	The Umbra Structure (The Umbra Trilogy Book 3) 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

* Note: these are all the books on Goodreads for this author. To add more, click here.

9 posts
David Williams's Blog: Reedsy 5-STAR Celebration

Behind The Umbra Signal: A Reedsy Success Story

Honored to be featured by Reedsy, reflecting on how my military service and editorial collaboration shaped The Umbra Signal. Grateful for the support and encouragement along the way.

https://reedsy.com/blog/stories/david...

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Published on January 30, 2026 15:18 • Tags: creepypasta, psychological-thriller, science-fiction, signal-horror, siren-head

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David’s Recent Updates

David Williams joined the groups Goodreads Librarians Group and swifties who also read
Sep 15, 2026 06:50PM
David Williams made a comment on The Umbra Splinter: Book Two of the Umbra Trilogy — Successful Trilogies " What makes a trilogy truly satisfying: each book standing on its own, or the final book making the first two feel deeper in retrospect? I’m especially ...more "
Aug 04, 2026 06:38AM
David Williams entered a giveaway The Umbra Signal by David Williams (Goodreads Author)	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
Jul 22, 2026 06:44PM · like · see giveaway · preview book See a Problem? We’d love your help. Let us know what’s wrong with this preview of The Umbra Signal by David Williams. Problem: Details (if other): Thanks for telling us about the problem. Not the book you’re looking for? Preview — The Umbra Signal by David Williams <iframe sandbox id="wrongBookKindlePreviewScreen">
David Williams made a comment in the group Booktok 📚 — The Umbra Trilogy and Book 1 Giveaway!!! topic " Excited to announce The Umbra Trilogy and the Giveaway for book 1! https://www.goodreads.com/giveaway/sh...The Umbra Signal The Umbra Signal ...more "
Jul 22, 2026 06:40PM
David Williams made a comment in the group Booktok 📚 — The Umbra Trilogy and Book 1 Giveaway!!! topic " Excited to announce The Umbra Trilogy and the Giveaway for book 1! The Umbra Signal https://www.goodreads.com/giveaway/sh... ...more "
Jul 22, 2026 06:39PM
David Williams is now following Carl Desouza's reviews
Jul 19, 2026 10:30AM · like
David Williams made a comment on Timothy Ortez’s review of The Umbra Signal " Timothy - Book 2 - The Umbra Splinter - is available July 31, 2026 (a few days away.) Your biggest question regarding the Quantum Mechanics is solidly ...more "
Jul 19, 2026 10:28AM · see review