Dirty Bertie – Dinosaur! Author: David Roberts ISBN: 9781847153746 Format: Paperback Publication Date: 2013 No of Pages: 96 SKU: 9781847153746 Categories: 8-11 yrs, 9-12 yrs, David Roberts Related products Is a camel a mammal? Read more Wish for a fish Read more Oh, the things you can do that are good for you Read more A whale of a tale Read more