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The adventures of Izzy and her friends who saved the school from aliens continue!

Izzy is very excited when she is assigned to look after a new girl. Her name is Matilda, and she has come all the way from France! The friends are eager to show their classmate around the Cell, introduce her to the local moths and deter her from school lunches (everyone knows that they are a real DISGUST). But it turns out that Matilda likes the lunch, and even asks for more! Now everything is clear. Matilda is a SPY who has come to the school to find out their secrets. We have to stop her before it's too late!