Julia Donaldson's illustrated children's books include Room on the Broom, Stick Man and which story that has sold 13 million copies?
The Gruffalo:  The book has sold over 13 million copies, has won several prizes for children's literature, and has been developed into plays on both the West End and Broadway. Julia Donaldson:  She is best known for her popular rhyming stories for children, especially those illustrated by Axel Scheffler, which include "The Gruffalo", "Room on the Broom" and "Stick Man".
i don't know