Maggie's Red Circus Bus by Sue Wickstead
Children's picture story book. Everyone smiles and waves when the Playbus drives by-at least, almost everybody. Imagine a whole bus full of costumes and toys and circus fun. After a summer of excitement, everyone is getting ready for a special performance full of talent and laughter. But the bus driver has one final job: to make sure the Playbus is ready for the big day too.