KNOWLEDGE CAN BE DANGEROUS! For ten-year-old teacher Negi Springfield and his all-girl class, it's time for final exams! If his students manage not to end up with the lowest scores in school, the principal has promised to make Negi an official teacher. To prepare for the tests, the class takes a trip to the school's Library Island. But this is no quiet place of study . . . stone golems, traps, and secret passageways are the norm throughout the enormous...