It looks like you're offline.
Open Library logo
additional options menu
Last edited by ImportBot
August 1, 2020
History of edits to

Global Challenges

Revision When Who Comment Diff
4 August 1, 2020 import existing book    
3 April 28, 2010 Linked existing covers to the work.    
2 February 5, 2010 add more information to works    
1 December 10, 2009 add works page