Halo: Envoy

Halo: Envoy is a novel set in the Halo universe by Tobias S. Buckell. It was released on April 25, 2017. The Halo: Fractures short story Oasis, also written by Buckell, served as a quasi-prequel to Envoy, introducing the novel's central setting and conflict.

Production note
The novel's cover is illustrated by concept artist Chase Toole, who also designed the cover of Halo: Saint's Testimony and provided artwork for Halo Mythos. The novel includes a map, drawn and annotated by Sarah Campbell, which shows several key locations shown in the novel.