Briscoe’s overdue library book unleashes the wrath of the Krone Brezheen – five fearsome knights who ride robot sharks, and punish those who abuse their library privileges! Can Mary and Briscoe return the book, before the Krone Brezheen find them? A children's radio series written and produced by Jim Cheff. Starring Cara Alboucq, Isaac Andrews, Nancy Andrews, Leslie Baker, Jim Cheff, Katie King, Anna Shockey and April Stalder. ©2017 Jim Cheff, All Rights Reserved.