"Fifth-grader Merlin Montgomery, aka Big Monty has to save his school again! Can this science-loving kid stop a cyborg substitute who froze the whole class? Merlin won't be able to do it alone. He'll need help from his life-long enemy, A'lo and his super-smart sister, Josephine"--Back cover.
year:
call number/section: 1000
subjects: african american boys, fiction, african americans, middle schools, substitute teachers, robots, enemies, good and evil, siblings, science, experiments