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01.10.2005In ancient china, Chuan and Jing Jing invent a boat that sails on land. Using their math skills, ...
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01.09.2004
In this fifth book of the acclaimed Warlords series, Chuan and his friend Jing Jing defend the wa...
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01.02.2000
A young peasant boy convinces his father to enter a contest to solve the warlord's puzzle--wich i...
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01.09.2002
Working as an apprentice for one of the warlord's artists, Chuan is in the palace one day when a ...
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01.09.2001
Clever young Chuan comes to the rescue of his father and in the process invents the abacus. Illus...
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01.09.2003
Designed to teach youngsters mathematical concepts, this picture book series set in ancient China...
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