Off Armageddon Reef by David Weber

Safehold Series Book 1

Set in a distant future where humanity is on the brink of extinction due to a relentless alien force, the story unfolds on the planet Safehold, where survivors have regressed to a pre-industrial society to avoid detection. The narrative follows the journey of Nimue Alban, a resurrected android with the consciousness of a long-dead human, who is tasked with guiding humanity back to technological advancement. Disguised as a man named Merlin Athrawes, Nimue navigates the intricacies of a theocratic society, challenging the Church's iron grip on knowledge and power, while igniting a revolution that could either save or doom the remnants of mankind.

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