Encyclopedia of Geography2011295Edited by Barney Walf. Encyclopedia of Geography. Thousand Oaks, CA: Sage 2010. , ISBN: 978 1 4129 5697 0 $1,120 URL: www.uk.sagepub.com/books/Book230922?siteId=sage‐uk&prodTypes=any&q=encyclopedia+geography Last visited March 2011 Available through Sage Reference Online and as an e‐book; also published as a six volume printed set (£560/$895)