Oxford University Press and The National Association of Social Workers are proud to announce that 2009's critically-acclaimed 20th edition of this essential 4-volume work is now available in paperback. This 20th edition of the Encyclopedia contains extensive coverage of areas that have come to the fore since the 19th edition, including demographic changes from immigration, technology, the implications of managed care, faith-based assistance, evidence-based practice, gerontology, and trauma and disaster.Good Condition: Minimal damage to the cover, dust jacket may not be included, minimal wear to binding, most of the pages undamaged(e.g., minimal creases or tears), highlighting / underlining acceptable on books as long as the text is readable and markings are not excessive, no missing pages. May be a former library book, with usual treatments(e.g., mylar covers, call stickers, stamps, card pockets, barcodes, or remainder marks). Extra components, such as CDs, DVDs, figurines, or access codes are not included. ISBN: 9780195310368 ISBN10: 0195310365 Contributors: Mizrahi, Terry, Davis, Larry E.,