Doomsday (Spy Academy #2‪)‬

Starting now, I was on my own. Nolan Hawker has been training at The Peak, a secret spy school that dispatches elite operatives to protect the innocent. His first mission is to go undercover at Blu Xpanse, an oceanic lab where a brilliant geneticist is making creepy, super-sized cockroach-like creatures. Her creations have the potential to save the world. But Nolan isn’t the only one with a secret identity. Someone at Blu Xpanse is an assassin, working for the deadly anarchist group known as Swarm. Will Nolan identify them in time?