The second of two sourcebooks/scenario books that details the beginning of years of the ilClan era, in the year 3151. The book goes into detail the conflict in system and on Terra as to determine whom shall be the ilClan, and Clans to conquest of the Inner Sphere. Included the book are Maps, Touchpoints for Chaos Campaign type scenarios, Mini-Technical Readout on new Clan 'Mechs, and their record sheets.