I'm reading AVI - ROBO teacher, beware! (AVI E4)

A purple face and yellow eyes... substitute teacher Robbie looks strange. And she is being watched. Exciting book on AVI E4 about a special teacher!

Substitute teacher Robbie looks a little weird... she has a purple face, yellow eyes and pink gloves. She can tell very exciting stories. But when a drone suddenly appears in front of the window, the teacher is in danger. Can the class save the teacher?

Miss Robbie is the new substitute teacher.
She comes from the High School of Inventors.
She looks strange, but she is very nice.
And she can tell very exciting stories.
When she is in danger, the children help her.
Because Miss Robbie is not just any teacher!