Character Law & Campaign Law (2nd Edition, Revised) is an updated version of Character Law & Campaign Law (2nd Edition). This revised edition was printed 6 years after Character Law & Campaign Law (2nd Edition) and contains 138 pages as compared to the 104 pages of the earlier version. This appears to be a significant difference. Character Law & Campaign Law (2nd Edition, Revised) also features different artwork. However, both books contain the same product code.