Mack Rhino searches for the school's missing lost and found in this fourth mystery of this silly, fun-to-read Aladdin QUIX chapter book series that's perfect for emerging readers! It's Career Day at Coral Cove Elementary School! Mack and his assistant Redd Oxpeck have been invited to participate and Mack is extra excited to be this year's honorary speaker. But soon after Mack and Redd arrive, they discover that the school's Lost-and-Found is...lost! Luckily Mack and Redd are on the job.