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Thirdborn 5

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With Richmond surrounded and the armies of the Queendom of Georgia backed into a corner, Rhett Allen has a real chance of ending this war that has devastated Virginia and threatened the Kingdom of Penn. But to do so, he’ll have to engage in an art of combat he politics. Thankfully, with Georgia’s princess and the Summer Ambassador of the Tuatha Dé Danann at his side, he should be able to muddle through it.

But even if he can end one war, another larger one is still raging. The Old World has descended into anarchy thanks to the Prince of Thuringia. With an evil deity bent on chaos and destruction pulling his strings, nowhere is safe. Especially Oldenburg, where Rhett’s sister and brother-in-law are fighting to protect their people against threats on all sides. Maybe if Rhett can achieve peace in the New World, there’s time to save the rest of his family from certain annihilation. To do so, he’ll have to bring every scrap of technology, magic, and strategy he has to the fight, and hold nothing back. Can a thirdborn change the world? It’s time to find out.

705 pages, Kindle Edition

Published September 22, 2026

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G.S. D'Moore

38 books102 followers

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5 stars
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Displaying 1 - 3 of 3 reviews
Profile Image for GrumpyOldMan.
641 reviews46 followers
September 26, 2026
This book was a pretty strong conclusion to the Thirdborn series. There were some parts I felt were a little over the top. The MC having to travel back to Europe to help out his sister and family felt like it was out of scope for the story, but not out of character for the MC.

Nobody new joins the harem, which makes sense. As such, the intimate scenes were just ok. I do like how the women are powerful and play important roles, even if the MC ends up OP to the point of absurdity by the end of the book.
Profile Image for James Copley.
117 reviews3 followers
October 20, 2026
Excellent as always

But I have to admit to being surprised there wasn't another book, given the state of the plot at around the halfway mark. I could see a whole additional potential campaign, but the twist at the end worked well, too.
Profile Image for Knight.
419 reviews1 follower
September 23, 2026
really good book

This was a great book. I look forward to reading more that this author creates. I highly recommend this book in this author.
Displaying 1 - 3 of 3 reviews