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The Math Kids: An Unusual Pattern, a children's mystery book

The Math Kids: An Unusual Pattern, a children's mystery book


by David Cole

The Math Kids are at it again with this children's mystery book!  When their new friend, Special Agent Carlson, asks them to take a look at a cryptic poem written by a dying bank robber, they know they will need all of their math skills to crack the case.


The poem isn't their only problem, though.  Their favourite school janitor is fired for stealing from student lockers.  The Math Kids know Old Mike would never do anything like that, but how can they prove it, especially with the new janitor watching their every move?


Jordan, Stephanie, Justin, and Catherine will need math, bravery, and a little bit of luck if they hope to solve the bank robbery case and get Old Mike his job back.  Will they be able to figure out the unusual pattern in time?


The Math Kids: An Unusual Pattern is the third book in David Cole's fast-moving math adventure series.

  • About the Author

    David Cole has been interested in math since he was a very young boy. He pursued degrees in math and computer science and has shared this love of math at many levels, including teaching at the college level, coaching elementary math teams, and running a summer math camp. He also has a love of writing and has written a number of plays that have been performed. The Math Kids was born of a desire to combine his interests and exercise both sides of his brain at the same time. Find him on LinkedIn.

  • About the Illustrator

    Shannon O’Toole is a Toronto based illustrator, painter and elementary school teacher. Her playful illustration work is inspired by the unique and humorous characters in her life. Aside from illustrating books for children, Shannon has exhibited her artwork in galleries across Ontario. When she is not drawing, Shannon can be found curled up with her dog, Edgar watching old movies. You can visit her online at or follow her on Instagram @shannonotooleart  

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