TY  - BOOK
AU  - Cole,David
AU  - O'Toole,Shannon
AU  - Liu,Yongjun
TI  - Shu xue xiao tian cai tan an zu. San jiao de mi mi
SN  - 9787531975441
U1  - 813.6 23
PY  - 2022///
CY  - Harbin : 
PB  - Heilongjiang Children's Publishing House
KW  - Children's stories
KW  - Kidnapping
KW  - Juvenile fiction
KW  - Mathematics
KW  - School children
N2  - "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
ER  -