You can download Seoul tour map PDF file from http://english.visitseoul.net/map-guide-book.
I could not attached PDF file, size is too big.
Seoul Tour map from Seoul Tourism Organization, Seoul Metropolitan Government. I attached Seoul Tour map 2012 English version PDF File.
Seoul Tour map 2012 English version PDF (3860 downloads)
This file from http://www.visitseoul.net
Seoul Tourism Organization does not released newest version yet. When I get new one, I will post about update.
Also www.visitseoul.net provides free guidebook.
I think free guide books are good but some guide books need to be updated.
Update 2014 versoin : http://lookatkorea.com/blog/korea/archives/seoul-tour-map-2014/ Seoul Tour Map Contents Page 1 : Seoul map and Seoul Subway map Page 2 : Seoul downtown map, Apgujeong area map, Samseong station area map, Itaewon area map and Garosu-gil area map.