Link, Michael, and Dana live in a quiet town. But it's woken up very quickly when someone sneaks into school and vandalizes it with a swastika.

Nobody can believe it. How could such a symbol of hate end up in the middle of their school? Who would do such a thing?

Because Michael was the first person to see it, he's the first suspect. Because

From Gordon Korman, the bestselling author of Restart and The Unteachables, comes a hilarious new story about a mysterious new teacher who turns out to be an AI robot from a secret experimental program.

Oliver Zahn, spitball champion and self-declared rule-wrecker of Brightling Middle School, is not a fan of his new homeroom teacher, Mr. Aidact. The guy is sort of stiff, never cracks a smile, and refers to them as "pupils."