|Series written in||Unstoppable|
Jeff Hirsch is the Madrigal author of Breakaway. He is currently the only 39 Clues author without a custom agent card. When asked about this, Admin Jen T. stated that she forgot to make him one because she was really busy.
He is best known for writing, "The Eleventh Plague", however he has also wrote "Magisterium" and "The Darkest Path".
- His mother was a nurse.
- He went to East Carolina University.
- He owns two cats.
http://www.jeff-hirsch.com/ (His Website)