Download or read book The Hunt for the Missing Spy written by Penny Warner and published by Darby Creek. This book was released on 2017 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: During a class trip to Washington, D.C., the Code Busters have many opportunities to hone their sleuthing skills as they explore the International Spy Museum, the White House, and more, but when a classmate goes missing, a mysterious figure in a trench coat may be the key to solving the case.