Although she writes under the pen name "J. K. Rowling", pronounced rolling (IPA: /ˈroʊlɪŋ/), her name when her first Harry Potter book was published was simply "Joanne Rowling". Before publishing her first book, her publisher Bloomsbury feared that the target audience of young boys might be reluctant to buy books written by a female author. It requested that Rowling use two initials, rather than reveal her first name. As she had no middle name, she chose K. for Kathleen as the second initial of her pseudonym, from her paternal grandmother. The name Kathleen has never been part of her real name. Following her marriage, she sometimes uses the name Joanne Murray when conducting private matters. She calls herself "Jo" and says, "No one ever called me 'Joanne' when I was young, unless they were