Grandfather is off on an expedition to the North Pole to find the Last Polar Bears and with him goes Roo - a dog of character and strong views.
The intrepid explorers set sail on the good ship Unsinkable and embark on the adventure of a lifetime.
Eccentric, moving and very funny, their story is told through a series of extraordinary letters.
- Format: Paperback
- Pages: 80 pages
- Publisher: Penguin Books Ltd
- Publication Date: 03/10/1996
- Category: Picture books
- ISBN: 9780140363821