Real World

Gray Team series

From Halopedia, the Halo wiki

The Gray Team series is the retroactive name given to Halo novels focusing on Spartan-II Gray Team, written by Tobias Buckell. It consists of Halo: The Cole Protocol (2008), and Halo: Envoy (2017).


Title Cover Author Audio book narrators Publication Summary
Halo: The Cole Protocol Halocole.png Tobias Buckell Jonathan Davis 2008 Introduces Gray Team and details the backstories of Jacob Keyes and Thel 'Vadam.
Halo: Envoy HaloEnvoy.png Tobias Buckell Scott Brick 2017 Follows Melody Azikiwe on a diplomatic mission on Carrow, while searching for a way to rescue Gray Team from captivity and their role in the Carrow Conflict.


This series shares narrative connections with the short story Oasis from Halo: Fractures, with Halo: Envoy essentially acting as its sequel.