Secret Codes


The Da Vinci Code (Robert Langdon, #2)
Angels & Demons (Robert Langdon, #1)
The Jefferson Key (Cotton Malone, #7)
The Book of Lies
The Lost Symbol (Robert Langdon, #3)
The Templar Legacy (Cotton Malone, #1)
The Book of Fate
The Westing Game
Masquerade
Book Scavenger (Book Scavenger, #1)
The Egypt Game (Game #1)
Quest for the Golden Hare
From the Mixed-Up Files of Mrs. Basil E. Frankweiler
The Red Serpent
The Lady Rogue
Both the boys noticed that Mr. Smith was twisting a crested gold ring on his finger. "Looks like a school emblem," Frank thought, then suddenly realized what the man was telling him. "He's from SKOOL!" Joe got the message at the same time and threw a quick glance at his brother. Dell smiled. "I felt sure you would understand. It is safer if some things are not said aloud. Mr. Smith and I work together." So Dell was also a member of SKOOL, working under the guise of security officer for Great Cir ...more
Franklin W. Dixon, The Secret Agent on Flight 101