Dippy is a diprotodon, the BIGGEST, friendliest wombat who lived 100,000 years ago.         All Dippy wants is happy friends, a place to sleep and lots to eat. Who knew that could be such an adventure?         Based on a concept by Ben Smith Whatley and brought to life by the creators of the international bestselling Diary of a Wombat, this is a hilarious story of prehistoric daring and chaos set in the fascinating world of ancient Australia megafauna.