Can these two gas-tronauts save the universe's butt?Willy and Peter need to get as far as possible from their sister's dumb kindergarten pageant. But they never expected to be blasting their butts into space!There they make the grossest discovery in the history of the universe, which could wipe out the Moon in one epic stink bomb.Do they have enough gas in their guts to repel an alien invasion from Uranus? Can farts alone rocket them back to earth? And how did their sister's hamster get on board and chew up all the cables?With hilarious pictures and easy-to-read, out-of-this-world text, even the most reluctant readers will laugh their underpants off!Please note that this is the American spelling edition of this zany illustrated science fiction adventure chapter book.

Can these two gas-tronauts save the universe's butt?Willy and Peter need to get as far as possible from their sister's dumb kindergarten pageant. But they never expected to be blasting their butts into space!There they make the grossest discovery in the history of the universe, which could wipe out the Moon in one epic stink bomb.Do they have enough gas in their guts to repel an alien invasion from Uranus? Can farts alone rocket them back to earth? And how did their sister's hamster get on board and chew up all the cables?With hilarious pictures and easy-to-read, out-of-this-world text, even the most reluctant readers will laugh their underpants off!Please note that this is the American spelling edition of this zany illustrated science fiction adventure chapter book.

Can these two gas-tronauts save the universe's butt?Willy and Peter need to get as far as possible from their sister's dumb kindergarten pageant. But they never expected to be blasting their butts into space!There they make the grossest discovery in the history of the universe, which could wipe out the Moon in one epic stink bomb.Do they have enough gas in their guts to repel an alien invasion from Uranus? Can farts alone rocket them back to earth? And how did their sister's hamster get on board and chew up all the cables?With hilarious pictures and easy-to-read, out-of-this-world text, even the most reluctant readers will laugh their underpants off!Please note that this is the American spelling edition of this zany illustrated science fiction adventure chapter book.