The 39 Clues Book Series

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The 39 Clues: Maze of Bones and More Books

The 39 Clues is a planned 10 part book series each written by various kids authors. The series will follow the exploits of siblings Amy Cahill and Dan Cahill and their worldwide quest to unlock the secret of their family's power.

The first book, 39 Clues: Maze of Bones,written by Rick Riordan, is due in September 2008. So, if you are a fan of Percy and the Olympians by Rick Riordan, you may want to pick up the Maze of Bones.

Each future book in the 39 Clues Book Series will be released approximately every quarter.

Scholastic Books hopes this series will capture the imagination of children everywhere, and help fill the gap left in the children's book world since the completion of the Harry Potter series of books.

One thing that makes this book series extra special is that Scholastic has also rolled out an online game of The 39 Clues that was launched worldwide at the same time as Maze of Bones on September 9, 2008.

This page will be updated as new books in The 39 Clues series are released. You can buy the first book, Maze of Bones via the link below.

Harry Potter Who? 

The 39 Clues series of books might not sell as well as Harry Potter, but it certainly provides an excellent follow-up for young readers who are looking for a good series of books.

The 10 volume series begins in September 2008. Each book will be spotlighted below as more information is made available. You can also follow the online game at www.the39clues.com. And if that wasn't enough, a new The 39 Clues movie has just been announced to be produced by Steven Spielberg for Dreamworks Studios!!!

Please drop a note on how you like The 39 Clues in the Guestbook below.

Thank you for stopping by!

Book 1: The 39 Clues: Maze of Bones by Rick Riordan 

The 39 Clues Book 1:The Maze of Bones

Amazon Price: $9.09 (as of 11/26/2009)Buy Now

This is the book that begins the 39 Clues adventure. Get in on the ground floor with Maze of Bones by Rick Riordan.

The Four Family Branches of Cahill 

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The Ekaterina Branch of Cahills 

The Ekaterina Branch are the smartest branch of Cahills. Some of the most brilliant scientists and inventors in history, such as Albert Einstein, are members of this very intelligent Cahill branch!

The Janus Branch of Cahills 

The Janus Branch of Cahills are the coolest Cahills. Creative people throughout history, such as Picasso, Mozart, and Steven Spielberg ar proud members of this Janus Branch of Cahills.

The creator of this webpage, MrSquidoo, is also a member of the Janus Branch.

The Lucian Branch of Cahills 

The esteemed Lucian Branch of Cahills hold among its members some of the most powerful leaders and spies on earth. Napoleon and Catherine the Great were proud Lucians.

The Tomas Branch of Cahills 


The Tomas Branch of Cahill's are bold individuals with an adventurer's spirit. Tomas Branch includes such diverse talents as Neil Armstrong, the first man on the moon, and famous soccer star David Beckham.

The 39 Clues Collectible Card Packs!!! 

The adventure continues beyond the books!!!

The 39 Clues: Card Pack (v. 1)

Amazon Price: $6.99 (as of 11/26/2009)Buy Now

39 Clues: Card Pack #2 

Branch vs. Branch

The fun continues...Pick up the second pack of 39 Clues Cards!!!

The 39 Clues: The Card Pack 2: Branch vs. Branch

Amazon Price: $6.99 (as of 11/26/2009)Buy Now

News About The 39 Clues!!! 

The latest information on 39 Clues book series...

More Cahill secrets revealed in 6th '39 Clues' installment
Test of trust Eleven-year old Dan and 14-year old Amy, the siblings starring in ?The 39 Clues? are on a hunt for clues to lead them to their family legacy, ...
The entry titled "TBF Bookend Award winner Rick Riordan and "The 39 Clues ...
... at the Paramount Theater that centered largely on ?The 39 Clues,? the franchised, young adult mystery/adventure series to which both have contributed. ...
Local student follows the clues
She has been reading a collection of books called "The 39 Clues." The series is about the Cahills, the most powerful family in the world. ...
Rick Riordan's Next Project: The Kane Chronicles
With his bestselling Percy Jackson and the Olympians series finished and the 39 Clues (for which he designed the story arc and wrote the first installment) ...

Other Images from the 39 Clues Online Game 

Have you gotten any of the clues below while playing the online game?

Take the Poll 

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Percy and the Olympians by Rick Riordan 

Book 1: The Lightning Thief

The Lightning Thief (Percy Jackson and the Olympians, Book 1)

Amazon Price: $7.99 (as of 11/26/2009)Buy Now

If you enjoyed Rick Riordan's writing in Maze of Bones, you should really check out his excellent Percy and the Olympians series of books.

The Lighting Thief is the first book in this series. It will make a nice read while you are waiting on the next installment of The 39 Clues.

More books by Rick Riordan are listed below.

More books by Rick Riordan 

Check out some of Rick's other books including the awesome Percy Jackson series!

Book 2: The 39 Clues: One False Note by Gordon Korman 

The 39 Clues Book 2: One False Note

Amazon Price: $9.35 (as of 11/26/2009)Buy Now

The second book in the 39 Clues adventure was released on December 2, 2008. Buy it now!!!

Purchase The 39 Clues Book 3: The Sword Thief 

This Installment is written by Peter Lerangis

The 39 Clues Book 3: The Sword Thief

Amazon Price: $9.35 (as of 11/26/2009)Buy Now

Book 4: The 39 Clues: Beyond the Grave 

4th book in the series by author Jude Watson is now available!

The 4th book came out on June 2, 2009. Already finished? Check out some other Jude Watson books below, or even pre-order Book 5 from Amazon.

The 39 Clues Book 4: Beyond the Grave

Amazon Price: $9.35 (as of 11/26/2009)Buy Now

How did you like Book 4 of the 39 Clues? 

feel free to add more feedback in the Guestbook at the bottom of this page!

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39 Clues Book 5 "The Black Circle": by Patrick Carman 

The 39 Clues Book 5: The Black Circle

Amazon Price: $9.35 (as of 11/26/2009)Buy Now

The Black Circle is currently scheduled to be released August 11, 2009, the 5th book in the 39 Clues series takes us to the halfway point of the planned 10 books. Check out more Patrick Carman books below...

Buy 39 Clues Book 6: In Too Deep through Amazon 

Written by Jude Watson

The 39 Clues Book 6: In Too Deep

Amazon Price: $8.47 (as of 11/26/2009)Buy Now

The sixth book in the 39 Clues Saga was released on November 3, 2009.

39 Clues Book 6 Feedback 

Please keep it clean

How Did You Like Book 6?

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Loved It!

Luigi Neri says:

its 26 chapters long. and 206 pages long too

carlos says:

i didn't read the book i'm on the 4th one

parker says:

yes yes yes yes yes yes yes yes yes yes

Kenneth says:

i only read the 1st book but im working on the 2nd

j says:

haven't read the sixth but loved the others

I was disappointed...

ffgfgh says:

bull

 
view all 9 comments

Are You Enjoying The 39 Clues Series? 

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  • Reply
    goo goo7 goo goo7 Nov 14, 2009 @ 10:40 pm
    ekats rock
  • Reply
    TOMAS TOMAS Nov 6, 2009 @ 6:03 pm
    TOMAS ROCK
  • Reply
    gabof da ekats gabof da ekats Oct 31, 2009 @ 10:54 pm
    clue to book 6 : WATER
  • Reply
    Liam Liam Oct 25, 2009 @ 4:33 pm
    LUCIAN stinks go janus janus rule
  • Reply
    shadow shadow Nov 25, 2009 @ 10:44 pm
    GO JANUS
  • Reply
    Conor Conor Oct 11, 2009 @ 4:52 pm | in reply to Darwin
    That is right dude 39 Clues are the next Harry Potter
  • Reply
    Music Lord Music Lord Oct 7, 2009 @ 8:28 pm
    Though I am a musician, and creativity runs through my blood, so does knowledge. So much so, that it overpowers my proclivities, making me an Ekat. These are the best books ever, and there should definitely be atleast 39 books. My only regret is that the books themselves are much to short. A little more lenght would be perfect. Then, the series would be ideal for young and old readers alike (not that it isn't already)! They are just too short f a read. I read quickly, and almost regret the beggining as much as the end, because once I start, I can't stop until the book is done (usually an hour or less later...) *sigh* The movie, however, will either rock, or just fail misrebally, the latter of which being the unwanted event.

    Sorry for the length ;)
  • Reply
    Ekaterinas rule!!!!!!!!!! Ekaterinas rule!!!!!!!!!! Oct 3, 2009 @ 10:37 pm
    the 39 clue are soooo awsome
    can't wait to read the whole series!!! :)
  • Reply
    lucian hero lucian hero Sep 30, 2009 @ 5:01 pm
    GO LUCIAN BRANCH!!!!!!!!!!!!!!YAH!!!!!!!!!WE ROCK!!!!!!!!We are the coolest branch.We have all the different weapons.
  • Reply
    Chrisotpher Chrisotpher Sep 29, 2009 @ 8:14 am
    I think that they are all at the same time but not
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University Games 39 Clues Discover the Secrets Card Game 

Fun card game from University Games -- a race throughout the world pitting teams against each other. In order to win your team must visit 4 mysterious locales and collect enough clues to be able to unlock the secret chamber. Must have for any 39 Clues fan!

University Games 39 Clues Cahill Commotion Card Game

Amazon Price: $7.00 (as of 11/26/2009)Buy Now

The 39 Clues Jigsaw Puzzle 

Great 200 piece puzzle!!!!

University Games 39 Clues 200 Piece Puzzle 39 Clues

Amazon Price: $5.99 (as of 11/26/2009)Buy Now

This awesome 200 piece puzzle featuring siblings Amy Cahill and Dan Cahill is a must have for any 39'er and for anyone who has not yet gotten clue #419!!!

Preorder 39 Clues Book 7 

The 39 Clues Book 7: The Viper's Nest

Amazon Price: $8.76 (as of 11/26/2009)Buy Now

Pre Order 39 Clues Key Book 8 

The 39 Clues: Book 8

Amazon Price: $10.39 (as of 11/26/2009)Buy Now

Keep your place with this 39 clues bookmark.

39 Clues Calendars 

39 Clues 2010 Mini Calendar

Amazon Price: $7.99 (as of 11/26/2009) Buy Now
List Price: $7.99

39 Clues 2010 Engagement Calendar

Amazon Price: $16.99 (as of 11/26/2009) Buy Now
List Price: $16.99

39 Clues 2010 Activity Calendar

Amazon Price: $13.49 (as of 11/26/2009) Buy Now
List Price: $15.99

39 Clues 2010 Year In A Box Calendar

Amazon Price: $12.99 (as of 11/26/2009) Buy Now
List Price: $12.99

39 Clues Board Game from University Games  

University Games 39 Clues 39 Clues

Amazon Price: $16.48 (as of 11/26/2009)Buy Now

I honestly don't know much about this one. I saw it on Amazon, but it says "Temporarily Out of Stock". It is possible it has not even been released yet. Anyone play it? Please drop a note in the comments section if you have to let me know if it is worth getting. Thanks!

Like 39 Clues and want to read something else? 

Try the Percy Jackson and the Olympians series

Percy Jackson and the Olympians Hardcover Boxed Set: Books 1 - 5

Amazon Price: $52.64 (as of 11/26/2009)Buy Now

This hardcover set is a great gift for any 39 Clues fan as it is written by one of the best 39 Clues writers -- Rick Riordan!

by mrsquidoo

I am a fan of football, baseball, comics , tagfoot, tv, and dogs -- including my good friend Alley (pictured)

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