Download or read book Shadow Cipher written by Laura Ruby and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Book one: Three kids try to solve the greatest mystery of the modern world: a puzzle and treasure hunt laid into the very streets and buildings of New York City. And if they want to save their home from being destroyed by a real estate developer, they must quickly prove the Old York Cipher is real.