A venom dark and sweet - Judy I. Lin

A great evil has come to the kingdom of Dxi. The Banished Prince has returned to seize power, his rise to the dragon throne aided by the mass poisonings that have kept the people bound in fear and distrust.Ning, a young but powerful shnnng-shi-a wielder of magic using the ancient and delicate art of tea-making-has escorted Princess Zhen into exile. Joining them is the princess' loyal bodyguard, Ruyi, and Ning's newly healed sister, Shu. Together the four young women travel throughout the kingdom in search of allies to help oust the invaders and take back Zhen's rightful throne.