From the back of the book:
"The CYCLOPEDIA TALISLANTA is a fantasy role playing campaign supplement for the TALISLANTA game, and an invaluable aid to players and Gamemasters alike. Included within the pages of this tome you will find:
Detailed color maps of the Talislantan continent and surrounding environs, including many previously uncharted entries...
A complete listing of all cities, settlements, and topographical features of note...
Expanded listings of Talislantan flora and fauna, including insects, animals, and some of the more unusual (and dangerous) creatures native to the world of Talislanta...
More new character types, including the barbaric Mondre Khan, Gnorl Rhabdomancers, Yassan Technomancers, Orgovian Traders, and more...
Detailed Diagrams of new Talislantan conveyances, including the Sunra dragon barque, Kharakhan war wagon, Arduan barge fort, Quan pleasure barge, and others...
All-new rules variants for the TALISLANTA system...
and much more...
a whole new dimension in fantasy role playing"