type in code in the bottom of the books card
only 39 clues... hence no 41st clue
39. Each book has 1 clue.
12 books not including the card packs and the fact book.
there are 10 39 clues books where they find the serum there are i think only 2 or 3 books including the Vespers
Yes, The 39 Clues series consists of 11 continuous books. The second series, Cahills vs Vespers, consists of 6 books. There are two other The 39 Clues series, Rapid Fire with 7 books and The Cahill Files with 5 books.
Project Gutenberg is a volunteer project to digitize out of print and out of copyright books. Then Google began to digitize books.
Because in soft backs they cant put the cards in.
which one are you looking for? Just but the books and card packs megaboy597: card packs
here is a {SUPER-RARE} card code --> P4CMHF7JXPHOPE THIS HELPSA 39 CLUE CARD CODE HELPS YOU UNLOCK CLUES WHEN YOU ENTER THE NUMBER AT THE BOTTOM OF THE CARD. THEY COME IN SOME OF THE BOOKS.
There is a clue...... the clue is "TRUSTNOONE".
Online, the second clue in the 39 clues is hydrogen. But in the second book of the 39 clues is tungsten
im pretty sure it was page 81