Henry Treece 
Red Queen, White Queen [EPUB ebook] 

As the unjust demands of the Roman emperor Nero push Britain into chaos, the clash of cultures and allegiances shatters lives and cities alike. Colchester and St. Albans fall victim to the ravages of war, while London burns to the ground, leaving behind a trail of destruction.

Amidst this violent backdrop, follow the journey of Gemellus, a young Roman soldier with everything to prove. Tasked with a mission that could define his destiny, he must navigate a treacherous path of loyalty and love. For it is his heart’s entanglement with Eithne, a brave British girl, that throws him into a heart-rending dilemma shared by soldiers across history.