Title: The hunt for the missing spy
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.
Subjects: Fiction, Missing children, Cryptography, Ciphers, Mystery and detective stories, Spies, Children's fiction, Missing persons, fiction, Spies, fiction, Washington (d.c.), fiction, Code and cipher stories, Mystery and dectective stories
Places: Washington (D.C.)