The Green Bone Saga Tome 3
Jade Legacy

Blood for the clan. Magic for the world. Anything for family. Jade, the magical substance once exclusive to the Green Bone warriors of Kekon, is now coveted throughout the world. Everyone wants access to the supernatural abilities it provides, from governments to criminal kingpins. As the struggle over control of jade grows ever larger and more deadly, the Kaul family, and the ancient ways of the Kekonese Green Bones, will never be the same ...