Greg's English teacher - who all the kids at school call Old Sourball - doesn't believe that Greg's camera takes pictures of things that haven't yet happened. He even gives Greg an F on his report about the mysterious picture taker! So Greg digs up the camera to prove to his teacher that he wasn't lying. But bad things start to happen when Greg uses the camera - just like the last time!Fun FactorGet your grade-schooler hooked on readingwith this grippingGoosebumpsadventure.