Cover of The Maze of Bones
Cover of One False Note
Cover of The Black Circle
Cover of The Sword Thief
Cover of Beyond the Grave
Cover of The Viper's Nest
Series

The 39 Clues

10 books

Here are 10 books from The 39 Clues series by Rick Riordan and others. Start with The Maze of Bones (2008), then read the rest in the order below.

Books in order

1
Cover of The Maze of Bones

The Maze of Bones

Rick Riordan

When their beloved aunt passes away, orphaned siblings Amy and Dan Cahill find themselves thrust into an extraordinary global competition against ruthless relatives vying for control of an immense family fortune. Armed with cryptic clues and their wits, the young protagonists must race across continents, unraveling ancient mysteries and navigating dangerous challenges to uncover the secrets hidden within their family's legendary legacy. Rick Riordan masterfully weaves together adventure, mystery, and family intrigue in this high-stakes treasure hunt that blurs the line between fiction and interactive gameplay. With the included game cards, readers can immerse themselves in the hunt alongside Amy and Dan, becoming active participants in the quest rather than passive observers. This innovative blend of novel and game creates an unforgettable reading experience that will captivate audiences seeking thrilling adventure and puzzle-solving excitement.

Adventure FictionMysteryContemporary Fiction
2
Cover of One False Note

One False Note

Gordon Korman

Amy and Dan Cahill are thrust into a high-stakes global hunt for thirty-nine hidden clues, each holding the key to an immense power. As they race against a ruthless network of family rivals, their investigation leads them to the heart of Vienna, armed with a cryptic piece of Mozart's music. They must decipher the secrets within the notes to uncover the next clue, but with danger lurking at every turn, they must question whether they are on the path to victory or walking into a deadly trap.

Adventure FictionMysteryDetective Fiction
2
Cover of The Black Circle

The Black Circle

Patrick Carman

In this gripping mystery adventure, a group of young friends discovers an ancient secret hidden within a mysterious black circle, setting them on a thrilling quest that blends puzzle-solving with unexpected danger. As they uncover clues and decode cryptic messages, the teens must navigate a complex web of riddles and challenges that test both their intelligence and courage. Patrick Carman masterfully weaves together suspense and intrigue, creating a page-turner that keeps readers guessing until the very end. With its engaging narrative and richly illustrated format, this novel appeals to middle-grade and young adult readers who crave adventure and mystery. The story explores themes of friendship, perseverance, and the power of teamwork in the face of seemingly impossible odds.

MysteryAdventure FictionDetective Fiction
3
Cover of The Sword Thief

The Sword Thief

Peter Lerangis

Amy and Dan Cahill are back in action, this time pursuing the legendary secrets of one of history's greatest warriors—but they're not alone. Forced into an uneasy alliance with the cunning and unpredictable Alistair Oh, the siblings must navigate a dangerous web of deception and intrigue as they race to uncover the truth about a powerful Cahill ancestor. With enemies closing in from all sides and the stakes higher than ever, every move could be their last. This thrilling installment in the 39 Clues series combines high-octane adventure with historical mystery, as the hunt for ancient secrets becomes a deadly game where trust is the rarest commodity of all.

Adventure FictionMysterySpy Fiction
4
Cover of Beyond the Grave

Beyond the Grave

Jude Watson

Fourteen-year-old Amy Cahill and her younger brother, Dan, are thrust into a perilous global hunt for a source of unimaginable power, armed with only a cryptic clue and the knowledge that their family has been betrayed. Their quest takes them to Egypt, where a mysterious message from their deceased grandmother, Grace, surfaces, raising urgent questions about her true intentions. As they race against time and shadowy adversaries, Amy and Dan must decipher whether Grace's posthumous guidance is a lifeline or a trap, potentially leading them to the most devastating betrayal yet.

Adventure FictionMysteryDetective Fiction
7
Cover of The Viper's Nest

The Viper's Nest

Peter Lerangis

In this seventh installment of the bestselling 39 Clues series, fourteen-year-old Amy Cahill and her younger brother Dan face their most perilous challenge yet as they continue their global hunt for 39 hidden clues that promise unimaginable power. Stranded on an Indonesian island with a mysterious man who holds dark secrets about their parents' deaths, the siblings must navigate a dangerous web of deception while evading local authorities and an approaching tropical storm. As tensions escalate and revelations mount, Amy and Dan are forced to confront a devastating family secret that threatens to unravel everything they thought they knew about their heritage. With danger closing in from all sides and the stakes higher than ever, the young adventurers must decide how far they're willing to go to uncover the truth. Peter Lerangis masterfully weaves together mystery, action, and emotional depth in this gripping chapter of the Cahills' extraordinary saga.

Adventure FictionMysteryContemporary Fiction
8
Cover of The Emperor's Code

The Emperor's Code

Gordon Korman

Amy and Dan Cahill are in a desperate race against time and ruthless rivals to uncover the secret of the 39 Clues. Their quest leads them to an ancient civilization, where a vital Clue is protected by an impenetrable military force. Facing their most perilous challenge yet, the siblings find themselves torn apart, forcing them to confront the ultimate question: is the fate of the world more important than their bond?

Adventure FictionMysteryContemporary Fiction
9
Cover of Storm Warning

Storm Warning

Linda Sue Park

In this thrilling installment of the 39 Clues series, siblings Amy and Dan Cahill find themselves racing against time and danger as they pursue the next clue in their global treasure hunt. Pursued by a mysterious man in black whose intentions remain unclear, the young detectives must navigate treacherous circumstances while uncovering secrets that could change everything they know about their family's legacy. With each discovery bringing them closer to the truth, they must rely on their wits, courage, and each other to stay one step ahead of those who would stop them. Linda Sue Park masterfully weaves together action, mystery, and family drama in this page-turning adventure that will keep readers guessing until the very end.

Adventure FictionMystery
10
Cover of Into the Gauntlet

Into the Gauntlet

Margaret Peterson Haddix

In this explosive finale to the #1 bestselling series, fourteen-year-old Amy Cahill and her younger brother Dan face their greatest challenge yet: not only must they locate the final 39 Clues, but they're also tasked with reuniting their fractured family—the very people responsible for their parents' deaths. Having survived countless dangers and assassination attempts throughout their quest, the siblings believe they've earned the right to finish the hunt on their own terms. However, a devastating secret the Madrigals have kept hidden threatens to unravel everything they've fought for, putting Amy, Dan, and the entire world at risk. With betrayal lurking at every turn and time running out, the Cahills must decide what they're willing to sacrifice to protect those they love and stop a catastrophe that could change everything.

Adventure FictionMysteryContemporary Fiction
11
Cover of Vespers Rising

Vespers Rising

Rick Riordan

The Cahill family, once believing themselves the sole guardians of Gideon Cahill's powerful Clues, discovers they are not alone in their quest. Hidden forces, known as the Vespers, have been patiently waiting in the shadows, and their time to emerge has finally arrived. This thrilling installment delves into the secret history connecting the Cahills and the Vespers, revealing the profound and dangerous legacy Grace Cahill has left for Amy and Dan. Prepare for a world-altering confrontation as ancient rivalries ignite and the fate of the Clues hangs in the balance.

Adventure FictionMysteryDetective Fiction