The way to find out clues, is by collecting the proper cards that are listed for that clue.
You can do that or you can enter a book code, to find a book clue.
Online, the second clue in the 39 clues is hydrogen. But in the second book of the 39 clues is tungsten
only 39 clues... hence no 41st clue
The clue is iron salute in book 1 of The 39 Clues.
there is no page clue in 39 clues book 9
There's only 39 clues!!
The Second Clue in the 39 clues is Hydrogen.Location: The Border of France and Switzerland - CERNBranch: Ekaterina
Sorry there is no code that gives you every clue in the 39 clues add me to your allies:P2749NM7XP
The answer to the Mad Scientist Clue in the 39 Clues series at the airport is "Einstein".
There isn't 180 clues.
Clue 21 is Mace.
there is no clue there is a puzzle
Pepper, a Madrigal clue.