The Adventures of Pinocchio a gruesome death: hanged for his innumerable faults, at the end of Chapter 15. At the request of his editor, Collodi added chapters 16–36, in which the Fairy with Turquoise Hair (or "Blue Fairy", as the Disney version names her) rescues Pinocchio and eventually transforms him into a real boy, when he acquires a deeper understanding of himself, making the story more suitable for children. In the second half of the book, the maternal figure of the Blue-haired Fairy is the dominant character, versus the paternal figure of Geppetto in the first part. Children's literature was a new idea in
Pen name sometimes choose to use initials, such as K. A. Applegate, C. J. Cherryh, P. N. Elrod, D. C. Fontana, S. E. Hinton, G. A. Riplinger, J. D. Robb, and J. K. Rowling. Alternatively, they may use a unisex pen name, such as Robin Hobb (the second pen name of novelist Margaret Astrid Lindholm Ogden). A collective name, also known as a house name, is sometimes used with series fiction published under one pen name even though more than one author may have contributed to the series. In some cases the first books in the series were written by one writer,