Alien lunch ladies attack in the third book in this #1 New York Times bestselling series by Dav Pilkey, the author and illustrator of Dog Man George and Harold have played a trick or two on nearly everyone at Jerome Horwitz Elementary. When their latest prank causes the school's cranky cafeteria ladies to quit, Mr. Krupp hires a trio of unusual replacements -- who happen to look an awful lot like aliens Will that curtain-caped crusader,...