How many books are there going to be in the 39 clues?

Answer 1

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.

Answer 2

11, plus an info book, The Black Book of Buried Secrets.

Answer 3

There are 10 right now and 11th one is coming in April 2011

Answer 4

The 11th book Vespers rising is coming out April 5th and apparently there is going to be another book Cahills vs. Vespers August 2011

Answer 5

There are 11 main books in The 39 Clues series, with additional companion books and spin-offs expanding the series.

Answer 6

there are eleven books in the series

Answer 7

There will be ten books.

Answer 8

11