While a brother and sister, along with their grandparents, visit the Museum of Fine Arts, the balloon they were not allowed to bring into the museum floats around Boston, causing a series of mishaps at various tourist sites.
- ISBN10 0803725701
- ISBN13 9780803725706
- Publish Date 15 April 2002
- Publish Status Out of Print
- Out of Print 2 July 2021
- Publish Country US
- Publisher Penguin Putnam Inc
- Imprint E P Dutton & Co Inc
- Format Hardcover
- Pages 40
- Language English