Miles from tomorrowland: mighty merc

Read along with Disney! Miles's pet robot, an ostrich named Merc, worries that his place in the Callisto family is threatened when the Tomorrowland Transit Authority asks the family to try out a new, more efficient robot named Axel. Follow along with word-for-word narration as Miles and Merc try to prove that Merc is more than just a robot...he's family!