Cole, David,   1957- <br/><br/>
Shu xue xiao tian cai tan an zu. San jiao de mi mi / 
Translation of:   The math kids :  the triangle secret 
Dawei Keer, Xiangnong Aotuer zhu ; Liu Yongjun yi 
 - Di 1 ban  
 - 202 pages :  illustrations ;  21 cm 
<br/><br/> "When FBI Special Agent Carlson is kidnapped while investigating the plane crash of Willard Howell, an eccentric billionaire inventor, the Math Kids spring into action. If Catherine, Stephanie, Justin, and Jordan can figure out the Great Triangle mentioned in Howell's will, they might just uncover who's behind the crash and Agent Carlson's kidnapping--if they don't get caught themselves!"-- Provided by publisher 
<br/><br/><br/>In simplified Chinese scripts. 
<br/><br/><label>ISBN: </label>9787531975441  RM43.20 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's stories<br/>Kidnapping--Juvenile fiction<br/>Mathematics --Juvenile fiction<br/>School children--Juvenile fiction
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Children's stories
<br/><br/><label>Dewey Class. No.: </label>813.6