The McTavishes, their seven children, and Granny McTavish take their old rattlebang of a car on a picnic up Mt. Fogg and have an exciting adventure.
- ISBN: 9780803713192
- Author: Mahy, Margaret
- Illustrator: Kellogg, Steven
- Published: 1994 , Dial
- Themes: Adventure, Cars, grandchild, Grandmother, picnic
- Descriptors: Fiction, New Zealand, Oceania, Picture Book, Primary (ages 6-9)
- No. of pages: 32