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, Captain Underpants, save the day once more? Or will those outer-space cafeteria ladies have him for lunch? Author - Dav Pilkey Illustrator - Dav Pilkey Number of Pages - 160 Format - Hardcover Publisher - Scholastic Inc. Published - 2014-12-30