Question: Who wrote the novel that became the source material for this musical in which the American stage actor Matt Harrington played Mr. Wormwood?
Sentence (from "Matilda the Musical"): The musical's narrative centres on Matilda, a precocious 5-year-old girl with the gift of telekinesis, who loves reading, overcomes obstacles caused by her family and school, and helps her teacher to reclaim her life.
Relevant evidence: No