Felicia Pride wrote an article for the February 11th Publishers Weekly stating the results of a survey conducted by Global Market Insight Inc. It states that "Among African-American consumers, 33% buy five to 10 books a year and they generally decide what to buy through word-of-mouth, according to an e-mail survey of 1,285 consumers."
Read the entire article here: Word-of-Mouth Top Book-Buying Decision - 2/11/2008 - Publishers Weekly