The international bestselling The 39 Clues adventure series connects with readers through books, cards, and an online game. The series highlights famous historical figures and geographical locations around the globe as main characters, Amy and Dan Cahill, take readers on a race through 500 years of history to find The 39 Clues. Learn More
New York Times Bestselling Children' Book Series; USA Today Bestseller; Wall Street Journal Bestseller; Publishers Weekly Bestseller; Indie Bound Bestseller
"Keeps readers glued to the pages...dazzles with suspense, plot twists, and snappy humor,
but the real treasure may very well be in the historical tidbits buried in the story."
–School Library Journal, starred review
"Tons of fun...just the right proportions of suspense, peril, and puzzles."
–Publishers Weekly, starred review
- "Phenomenally popular" –Entertainment Weekly