Have you ever had a terrible teacher? 
Imagine working in silence, cancelled playtimes and a temper that can bring you to tears. Sound familiar? Well now imagine dart pens, sonic whistles, desks with secret compartments, a stapler for injecting sleeping potions and rocket-powered chairs. Not only is this teacher terrible, but there's also an evil plan afoot and perhaps the children in his class are the only ones who can help.

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