Question: Julia Donaldson's illustrated children's books include Room on the Broom, Stick Man and which story that has sold 13 million copies?
Sentence (from "Julia Donaldson"): She originally wrote songs for children's television but has concentrated on writing books since the words of one of her songs, "A Squash and a Squeeze", were made into a children's book in 1993.
Relevant evidence: No