From the Publisher's Product Homepage on DriveThru RPG:
Rifts® Index Volume Two features a Kevin Long cover and indexes and references the last two years of Rifts® releases, including Juicer Uprising, Coalition Navy, Coalition War Campaign, New West, Lone Star, Spirit West, Rifts® Underseas,Game Screen & Adventure Pack, South America II, Sourcebook 2: The Mechanoids®, Phase World, and Rifts® Japan. It will also provide full adventures, short, Hook, Line & Sinker adventures, maps, reference lists, and artwork.