there are 4 card packs in the 39 clues series.
Normal packs: 9 cards Duelist Pack packs: 5 cards + 1 Strategy card Tournament Packs: 3 cards Gold Series packs: 20-25 cards
There are 6 clue cards in the first book of The 39 Clues series. Each card reveals an important clue or hint as part of the overarching mystery explored in the series.
4
there are 16 cards in each card pack
There are too many to be solved
6 books and 2 card packs
327
There are going to be six.
You can ask people for their card codes, and many have posted theirs online. A google search with "39 clues agent card codes" would probably work.
There are a total of 11 books in the original 39 Clues series.
There will be 10 Books in Series #1. There will be a Series #2 called Vespers Rising it will be out April 2011.