Tamar Rising is a sourcebook set during the ilClan era. It covers events within the former Clan Jade Falcon Occupation Zone from January 3151 to June 3152, primarily the rise of small nations and the actions of the Lyran Commonwealth and Clan Hell's Horses. The book also provides detailed backgrounds on important individuals and planets, significant military commands, and rules to build custom scenarios for both Total Warfare & Alpha Strike rulesets.