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The Triangle Secret

Illustrated by Shannon O'Toole
Published by Common Deer Press
Distributed by Simon & Schuster

About The Book

A Mysterious Will Launches The Math Kids Into Their Riskiest Adventure Yet!

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!

This Middle Grade Book

- introduces readers to mathematical patterns

- features an action-packed plot with international intrigue

- includes an appendix for hand-on learning

About The Author

About The Illustrator

Product Details

  • Publisher: Common Deer Press (April 1, 2022)
  • Length: 184 pages
  • ISBN13: 9781988761626
  • Grades: 4 - 6
  • Ages: 10 - 12

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Raves and Reviews

"The Triangle Secret continues a streak of fun mystery adventures."

– Ho Lin, Foreword Reviews

2022 finalist - Juvenile Fiction for the Forward Reviews Indie Award

– Forward Reviews Indie Award

Resources and Downloads

High Resolution Images

More books from this author: David Cole

More books from this illustrator: Shannon O'Toole

More books in this series: The Math Kids