1. The Bourne Legacy (2004) - This book serves as the first entry in the Covert One universe, introducing us to Jason Bourne and his mysterious past.
2. The Bourne Betrayal (2006) - A direct sequel to *The Bourne Legacy*, this book continues Jason Bourne's journey as he tries to unravel the secrets surrounding his identity and past.
3. The Bourne Sanction (2007) - The third book in the series, this novel delves deeper into the intricate world of Covert One and reveals more about the organization's operations.
4. The Bourne Deception (2008) - This novel is actually a prequel to the series, providing backstory for the events that led up to the formation of Covert One and Jason Bourne's initial involvement.
5. The Bourne Objective (2011) - This book follows the timeline of *The Bourne Betrayal* and *The Bourne Sanction*.
6. The Bourne Enigma (2013) - This book acts as a continuation of the *The Bourne Objective*.
This order is recommended to ensure a smoother narrative flow and better understand the evolution of characters and plotlines. However, if you want to start with the initial inception of Covert One, you can choose to read *The Bourne Deception* first.