Writing as Jay Martel, Duluth couple's new spy novel is 'Codebreaker'
- Posted on July 15, 2025
- By Star Tribune
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Writing as Jay Martel, Duluth couple's new spy novel is 'Codebreaker'

Duluth's Andy Bennett and Katy Helbacka, writing under the name Jay Martel, created the interactive thriller "Codebreaker," with solvable codes and ciphers.