There are 3 books in the Forgotten Ages series. The newest book is Decrypted which came out in 2013.

1
Encrypted

Book cover of Encrypted
Professor Tikaya Komitopis isn’t a great beauty, a fearless warrior, or even someone who can walk and chew chicle at the same time, but her cryptography skills earn her wartime notoriety. When enemy marines show up at her family’s plantation, she expects the worst.

But they’re not there to kill…
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3
Decrypted

Book cover of Decrypted
Professor Tikaya Komitopis knew that bringing Admiral Rias Starcrest home to meet her family wouldn’t be easy, not when he led the fleet that decimated her nation during the war. She isn’t surprised when people believe she’s been brainwashed, that Rias is still loyal to the empire, and that he…