There are ten books, and the series is currently finished, but the idea isn't. The publishers are considering creating a book not in the series, but it will tell about other unknown parts told during the series.
There are 11 main books in The 39 Clues series, with additional companion books and spin-offs expanding the series.
11, plus an info book, The Black Book of Buried Secrets.
There are 10 right now and 11th one is coming in April 2011
The 11th book Vespers rising is coming out April 5th and apparently there is going to be another book Cahills vs. Vespers August 2011
there are eleven books in the series
There will be ten books.
11
There is going to be 39 books. No there isn't. It's only going to be ten. If you haven't counted, Amy and Dan have found 17 clues in the entire series
yes
No. They have 10 books in the original series, an in between book, and 6 books in the second series.
It depends on how many missions and books are out and how many cards you have.
39. Each book has 1 clue.
All 39 clues are available now. There is going to be another season starting April 2011. The first book will release in August 2011. My agent card code is P2FHHNDHXP
There are 11 original books in "The 39 Clues" series that are possible to get in hardback. These books are written by various authors and follow the story of two siblings in a worldwide hunt for 39 clues that will determine the family's power and fortune.
So far there are ten books. Since the 39 clues series is a best seller, they might make more. My Agent Code Is: P39FFM3PXP And One Last Thing, Lucians Rule! As far as I know, there is going to be an eleventh book of The 39 Clues: The Black Book Of Buried Secrets It will answer all your questions. LUCIANS RULES!
the boy in the 39 clues books is called Dan cahill and the girl is called Amy Chaill
only 39 clues... hence no 41st clue
239 pages in book one
You have to play all the missions and get all the books and the card packs