When Grandma creates a robot babysitter for twins Jake and Jess, chaos ensues!Jess and Jake love having a robot babysitter, but lately Robin's been malfunctioning more and more often... And the only person who can help – their inventor Grandma who created Robin – has disappeared. It's time for the twins take matters into their own hands...The third book in a brilliantly funny series, perfect for fans of David Solomons, RUNAWAY ROBOT, THE NOTHING TO SEE HERE HOTEL and KID NORMAL.