High above the clouds, the research station Stratos Nine drifts on the edge of Earth’s atmosphere — studying the sky, guarding its secrets.
Dr. Sera Myles believes she’s tracking harmless light anomalies until one begins to pulse with rhythm, memory, and a voice she knows: her long-lost mentor.
As the horizon fractures and reality starts to rewrite itself, Sera discovers the world she lives in may be nothing but a reflection — a carefully constructed lie.
To uncover the truth, she must choose between preserving the illusion of safety or shattering the glass that separates her from what’s real.
A haunting sci-fi mystery about memory, perception, and the danger of forgetting too well.
Memory
Psychological
Mystery
Futuristic
AlternateUniverse
Conspiracy
Thriller
Healing
Redemption
Journey
Audiobook details
GenreMystery and Thriller, Science Fiction
Length19 mins
Publish dateOct 31, 2025
LanguageEnglish
Table of contents
1Chapter 1
4Chapter 4
2Chapter 2
5Chapter 5
3Chapter 3
6Chapter 6
About the author
Castellanos Nicole
Nicole Castellanos is a storyteller drawn to the edge of the unknown — where science, myth, and human emotion collide. With a background in linguistics and a lifelong fascination with cryptic communication, her work explores how language and memory shape identity. The Obsidian Signal is her debut novel, blending psychological depth with cinematic tension. When she isn’t writing, Nicole can be found exploring coastlines, decoding vintage shortwave broadcasts, or sketching story ideas in storm-weathered notebooks.View all audiobooks by Castellanos Nicole