I am reading AVI - ROBO-teacher, watch out! (AVI E4)

A purple face and yellow eyes… substitute Miss Robbie looks strange. And she is being watched. An exciting book at AVI E4 level about a special teacher! Substitute Miss Robbie looks a bit weird… she has a purple face, yellow eyes, and is wearing pink gloves. She can tell very exciting stories. But when a drone suddenly appears in front of the window, the teacher is in danger. Will the class manage to 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!