A book that was turned into a musical From "Wicked" by Gregory Maguire (£4) to Alison Bechdel's "Fun Home: A Family Tragicomic," many fan-favourite musical productions started out in book form. Get to know the source material of Broadway hits for this prompt — love of musical theatre not required. Image Source: amazon.co.uk "Wicked" by Gregory Maguire £4 from amazon.co.uk Buy Now