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Clue Me In!: The Detective Work of Ethan Flask and Professor Von Offel (Mad Science (Library))
Clue Me In The Detective Work of Ethan Flask and Professor Von Offel - Mad Science Library Author:Kathy Burkett, Gordon Korman Exploding watermelons. Tornadoes in the gym. Mucus attacks. In the past months, there have been too many suspicious incidents at Einstein Elementary--and they all somehow involve the sixth-grade science teachers,Ethan Flask and Professor von Offel. The mysterious von Offel continues his quest to get Flask to unwittingly help him become fully cor... more »poral again. But this time the professor may have to help the science teacher: Flask is being accused of stealing at school! von Offel and the lab assistants have to use all the detective science at their disposal to prove Flask is innocent!« less