A brand new school year is starting at Ella Mentry School, and A.J. has a third-grade teacher who is completely out of this world. Mr. Granite talks weird, acts totally weird, and looks incredibly weird. He also seems to be a supergenius who knows absolutely everything about everything. You will have a hilarious time trying to figure out his true identity alongside A.J. and the rest of the gang. Is Mr. Granite actually an advanced computer posing as a normal human being, or did he travel here from a distant alien planet? He has so many bizarre ideas about how to make the school environmentally friendly that the students are convinced he cannot be from Earth. Dive into this wildly funny chapter book to investigate the truth behind the strangest teacher ever. Get ready for a hilarious school year filled with wacky theories and nonstop laughs.