The warlords presence is requested at the emperors banquet in two weeks, but he is sixteen days away by horseback. Using their math skills, ingenuity, and the wind, Chuan and Jing Jing reach the warlords camp and encourage him to use their sailing cart to travel to the feast. The Warlords Messengers is the sixth book in the acclaimed Warlords Series, and includes directions for making your own windsock as well as suggestions for velocity-related math activities.