Zhang Xianyong <br/><br/>
The story of gunpowder / 
written by Zhang Xianyong, Ai Jia, illustrated by Yan Yeguang 
 - Beijing :  China Intercontinental Press,  2019. 
 - 41 pages :  illustrations [col.] ;  25 cm. 
 - Illustrated history of chinese science & technology .
<br/><br/><label>ISBN: </label>9787508541259 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gunpowder.<br/>Gunpowder--History.