In this sixth adventure in the "Warlord"s" series, the warlord"s presence is required at the emperor"s banquet in only two weeks. The problem is that he is at least sixteen days away by horseback, which is the way he planned to travel. Using their maths skills, Chuan and Jing Jing reach the warlord"s camp and encourage him to use their sailing cart to travel to the feast. In this book, children will learn about creativity, folklore and velocity in a maths lesson that"s as fun as it is fascinating. There are suggestions for velocity-related maths activities, as well as directions for making a windsock.