Age Group: 9 - 12 Years, 12+ Years

Description: When Oliver Zahn's class gets stuck with the strictest substitute teacher imaginable, they're convinced she's actually a robot designed to torture students. Determined to prove their theory, Oliver and his friends launch an investigation into Ms. Rictus's true identity. Their hilarious schemes and detective work lead to unexpected discoveries about both their mysterious teacher and themselves. This laugh-out-loud adventure explores friendship, assumptions, and the surprises that come from getting to know someone better.