The Math Kids: The Triangle Secret
Written by David Cole
Illustrated by Shannon O'Toole
Cover Design: Shannon O'Toole
Common Deer Press
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!
The Math Kids: The Triangle Secret is the sixth book in the Math Kids series.
2022 Purple Dragonfly Award – First Place: Mystery
2022 Purple Dragonfly Award – First Place: Middle Grade Fiction
2022 Purple Dragonfly Award – First Place: STEM