(W) Colleen AF Venable (A) Stephanie Yue. Katie is dreading the boring summer ahead while her best friends are all away at camp* something that's way out of Katie and her mom's budget* unless Katie can figure out a way earn the money for camp herself. But when Katie gets a job catsitting for her mysterious upstairs neighbor* life get interesting. First* Madeline has 217 cats (!) and they're not exactly... normal cats. Also* why is Madeline always out exactly when the city's most notorious villain commits crimes? Is it possible that Katie's upstairs neighbor is really a super villain? Can Katie wrangle a whole lot of wayward cats* save a best friendship* and crack the biggest story in the city's history? Available in softcover and hardcover editions.