The hunt for the missing spy

By Penny Warner

Subjects: Missing children, Spies, fiction, Missing persons, fiction, Fiction, Ciphers, Children's fiction, Washington (d.c.), fiction, Cryptography, Mystery and dectective stories, Code and cipher stories, Spies, Mystery and detective stories

Description: 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.