Bloomsbury Publishing plc is a British worldwide publishing house of fiction and non-fiction. It is a constituent of the FTSE SmallCap Index. Bloomsbury's head office is located in Bloomsbury, an area of the London Borough of Camden. It has a US publishing office located in New York City, an India publishing office in New Delhi, an Australia sales office in Sydney CBD and other publishing offices in the UK including in Oxford. The company's growth over the past two decades is primarily attributable to the Harry Potter series by J. K. Rowling and, from 2008, to the development of its academic and professional publishing division.