There are 3 books in the The Agent Bennet Saga series. The newest book is The Fallen Within which came out in 2024.

Recruited as babies by a mysterious organization known as the Orphanage, sixteen-year-old twin brothers Bennet and Collin mean the world to each other, even though they’re complete opposites. Collin is training to be a field agent while Bennet is an earpiece, in constant communication with his brother, monitoring his activities…
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2
The First Traitor

The First Traitor
Heading into his final year at the secret spy school known as the Orphanage, Bennet is hoping to get through to graduation with no hiccups. With the help of his classmate, Darcy, Bennet has moved on from the death of his brother, Collin, last fall. He's successfully started training as…

3
The Fallen Within

The Fallen Within
In this thrilling third installment of the Agent Bennet saga, the young field agent is about to face his greatest challenge yet: himself. Armed with the shocking revelation that the sinister Shepherd has turned more than one of their own into a pawn against the Orphanage, Bennet sets out to…