This updated version features a newly illustrated cover by Alyssa Brackett and a cleaner interior format. It also includes TWO fun science experiments for your children to perform at home. Let Andy Venture release your child's inner scientist. When one of Andy Venture's lab experiments goes horribly wrong, a giant slime creature is created that threatens the entire city...and its citizens. Andy must use his brilliant mind and incredible inventions to stop his own creation before it's too late. Can this fourth grader figure out a way to save the people of his city from certain destruction? Or...

You would think Andy Venture would be more careful after almost destroying the city with his big blob of slime . . . NOPE When Andy and Susan accidentally cause an alien invasion, they are the only ones who can save the earth from destruction. Will they be able to stop the aliens before they lose their parents forever? This is the second installment in the Andy Venture series.