You take one of the cards from that book and enter it in the cards area on the site. click on "add cards" and type in the code. it's the same with cardpacks.
add book codes
The name of the 10th 39 clues book is Into The Gauntlet.
there is no 49 clues book it is 39 clues
The title of the seventh 39 clues book is The Viper's Nest. My agent Code is P2J34GKXXP on the 39 clues website.
the name of the 5th 39 clues book is the black circle
The eighth book in The 39 clues series is 'The Emperor's Code.'
The clue is iron salute in book 1 of The 39 Clues.
there is no page clue in 39 clues book 9
Because it's there Henry GM
silver
Online, the second clue in the 39 clues is hydrogen. But in the second book of the 39 clues is tungsten
Tungsten.