The key market segments for books in the greater Ladbrokes area are residents with an affinity for reading and children who are currently in the school system. In particular, women between the ages of 18 and 54 are the most pivotal market segment. Demographic profiles conducted by the Publishers Clearing Hose Audits and Surveys division indicate that while men comprise almost half the market of book readers, 75% of all retail books purchases are made by women. A 1994 study commissioned by the Magazine and Bookseller Journal indicate that over 80% of all magazine buyers are between the ages of 18 to 54 and make.