A new edition of the fourth book in Michael Bond's classic series about the unstoppable and much-loved guinea-pig, Olga da Polga. From the author of Paddington Bear, Michael Bond's little guinea-pig with a big imagination has been charming readers for over 50 years.It's a busy time in the Sawdust household and Olga is right in the thick of it. She gives out advice to the other animals in the garden, takes part in a sponsored squeak, and even goes jogging! But even though she has lots to do, she still finds time to entertain her friends with her tall tales and amazing stories.