From the back of the book;
"The Same Sun Shines Down Upon All
From the darkest jungles to the glorious kingdoms, the lands of Akoma offer unknown riches with unknowable dangers. Mysterious star-gazers, miraculous alchemy, and the machines of war await anyone who dares trespass in these lands. But the promise of wealth and power brings fool and fortune-hunter alike.
This book adds new species, careers, equipment and magic to your Ironclaw game. You will also need the Player's Book or the Omnibus to play."