Bloodline Now Available for Purchase
- Mark Birtles

- Nov 24, 2025
- 1 min read
Bloodline is now available for purchase in both paperback and Kindle formats on Amazon!

Bloodline: A Multi-Plot End-times Science Fiction Novel (Double Helix Trilogy)
Some truths refuse to stay hidden.
When Dr. Alan Carlyle unearths a leather satchel buried in glacial ice he ignites a mystery that could rewrite human history. The satchel’s composition humbles modern technology. Its inscriptions belong to no known language. The deeper Alan digs, the more the evidence points to an antediluvian civilization lost to time, and lost to divine judgment.
Across the globe, others uncover impossible facts: a laser embedded in sandstone near the mouth of the Amazon, a spacecraft in a sealed cavern beneath the French Alps, an ancient DNA sample taken from the satchel. Researchers in Scotland think it could be possible to clone it into a living soul. Each discovery bears the same haunting symbol, linking the modern world to an ancient one that should never have existed.
Bloodline weaves science, faith, and human longing into a multi-plot speculative thriller where every discovery challenges belief, every lab result tests the soul, and the greatest proof of God may lie buried beneath our feet.
The past is calling. What is your answer?



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