The 39 Clues Series

The 39 Clues Series is a multi-author series. That means that Gordon Korman wrote a few books in the series, while other authors wrote others.

Meet the Cahills, the most powerful family of all time. For the past 500 years, this amazing clan has been influencing world events in ways large and small, and changing the course of human history.

But over the centuries, the secret of their incredible success has been lost. The only way to recover it is by finding 39 clues hidden all around the globe in the most bizarre, remote, and dangerous places. The Clue Hunt is on!

THE 39 CLUES is a groundbreaking multi-author project written with such incredible other writers as Rick Riordin, David Baldacci, Margaret Peterson Haddix, Peter Lerangis, Jude Watson, Patrick Carman, Roland Smith, Linda Sue Park, and more.

He has written five books in this NY Times bestselling series that has turned into a series of series. Remember: It’s never too late to join the hunt!