Download or read book The Unbreakable Code written by Jennifer Chambliss Bertman and published by . This book was released on 2018 with total page 353 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Could the Mark Twain books hidden through Book Scavenger contain clues about the string of recent arson fires plaguing the city? And will Emily and James uncover the mystery before the arsonist comes after them?" -- Provided by publisher.