A science-fiction novel · 2026
The Last Signal
Thirty years after Earth went silent, something is transmitting back — in a human voice, on a frequency abandoned decades ago.
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The book
A mystery that travels at the speed of light
When deep-space listener Mara Okafor intercepts a transmission that shouldn’t exist, she becomes the only person alive who can decode it — humanity’s final message, or its first warning.
Racing a corporate fleet that wants the signal buried forever, Mara must decide how far she’ll go to hear the truth from the dark. A propulsive, deeply human thriller about the small choices that echo across light-years.
Why readers can't stop
Hard science. Human heart.
Three reasons The Last Signal keeps landing on late-night must-finish lists.
A slow-burn mystery
The signal reveals itself one decrypted fragment at a time, pulling you deeper with every chapter.
Characters that stay
Mara feels so real you'll forget she's fiction — flawed, fierce, and impossible to look away from.
Twists you won't decode
Every answer opens a darker question. You will not see the final transmission coming.
The author
Adrian Vale
He’s fascinated by signals — the ones we send, the ones we miss, and the ones we’re too afraid to answer. The Last Signal is his third novel and his most personal yet.
- Sci-fi thriller
- Former astronomer
- Third novel
Transmissions received
What readers are saying
Quick answers
Before you tune in
It's a complete standalone novel — though Adrian is already at work on a companion story set in the same universe.
Science-fiction thriller with a slow-burn mystery running underneath — grounded, tense, and character-driven.
You can order directly from the shop, or find it wherever books are sold in paperback, ebook, and audio.
Yes — a full-cast audio edition is available. Join the newsletter to hear the first chapter free.
The frequency is open
Decode The Last Signal
One transmission. One decision. Light-years of consequence. Get your copy today.