Aliens are coming... to get up your nose Aliens are coming At the end of book four, Bob sent a signal to the GUNK Aliens telling them to invade earth. But there's no need to panic just yet - our hero Jack managed to weaken the signal, so they shouldn't get the message for a long time. There's just one problem... other aliens are closer by, and they WILL get the message Now Jack and the gang have to get to Bob's base so they...