The Development of African American English Walt Wolfram, Erik Thomas ISBN: 978-0-631-23087-8 Paperback 256 pages June 2002, Wiley-Blackwell US $71.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.