Orbital Vol. 2: Ruptures, Paperback/Sylvain Runberg

Caleb (a human) and Mezoke (a Sandjarr) are paired up and trained as special agents to keep the intergalactic peace. This is a controversial and historic alliance given their races' longstanding enmity, and a lot of people are watching them. Their first mission is to keep war from breaking out between humans and Javlodes on the planet Senestam.