Tashi and the Phoenix by Anna Fienberg
Uncle Tiki Pu has put Tashi's family at risk by boasting to the Warlord that he has captured the most dazzling creature in the world. Now the Warlord wants to see it, or else. And Princess Sarashina has sent a letter to Tashi because her sister must marry the cruel and sneaky Khan. Can Tashi make the Emperor see what Khan is planning?It takes more than courage to deal with Warlords and Emperors, but Tashi always has a clever idea and something useful in his pocket.