Detective 39 Clues Series - Rick Riordan,...

Hunted (The 39 Clues: Rapid Fire #3)
by Clifford Riley​

Published December 27th 2011

The Vespers are looking for new recruits and have targeted a few candidates: the Cahill children on the hunt for The 39 Clues. Uncover the Vespers' chilling plan to monitor the Kabras, the Holts, Jonah, and the Starlings, and learn who they picked as the most promising Vesper . . . and future Cahill traitor.

 

Crushed (The 39 Clues: Rapid Fire #4)
by Clifford Riley​

Published December 28th 2011

 

Turbulence (The 39 Clues: Rapid Fire #5)
by Clifford Riley​

Published December 29th 2011

 

Invasion (The 39 Clues: Rapid Fire #6)
by Clifford Riley​

Published December 30th 2011

 

Fireworks (The 39 Clues: Rapid Fire #7)
by Clifford Riley​

Published December 31st 2011

The last of seven brand new 39 Clues stories, with an explosive secret revealed!

The holidays can be hard for any family, but they're particularly tough for the Cahills. Amy Cahill is exhausted from her training. Dan can't forget the tragedies he witnessed on the Clue hunt. Ian and Natalie Kabra are trying to enjoy the London festivities, but it's hard without their parents. Even superstar Jonah Wizard is having trouble getting into the holiday spirit. Amy knows there's danger on the horizon, but there's no reason they shouldn't enjoy themselves while they can. Taking advantage of their new fortune, Amy and Dan book a private plane and jet off to fetch the other Cahills for a New Years none of them will ever forget.

 

Operation Trinity (The 39 Clues: The Cahill Files #1)
by Clifford Riley​

Published May 8th 2012

A brand new adventure from the world of The 39 Clues!

For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now.

This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck's altarpiece at Ghent. OPERATION TRINITY chronicles the first Vesper attack on the altarpiece in the 1600s, then jumps to WWII and young Grace Cahill's desperate bid to save the masterwork from the Nazis. The final piece of the novel tells the story of Ian and Natalie Kabra's first solo operation and features an 11th hour appearance by Grace Cahill on her final mission.
History will never be the same.

 

The Submarine Job (The 39 Clues: The Cahill Files #2)
by Clifford Riley​

Published June 5th 2012

A brand new adventure from the world of The 39 Clues!

After 500 years, the Cahill family's most dangerous secrets are about to be revealed. Read at your own risk . . .

Fourteen-year-old Fiske Cahill thinks he's safe when he hides away on the world's first nuclear submarine . . . until he realizes there's a Vesper on board. Does he have what it takes to stand up to a ruthless enemy?

 

The Redcoat Chase (The 39 Clues: The Cahill Files #3)
by Clifford Riley​

Published July 3rd 2012

 

The Houdini Escape (The 39 Clues: The Cahill Files #4)
by Clifford Riley​

Published August 7th 2012

 

The 39 Clues: Unstoppable series

The 39 Clues have fallen into the wrong hands. Now the Cahills must find the serum antidote and stop J. Rutherford Pierce from using the serum to gain control over the entire world.

Nowhere to Run (The 39 Clues: Unstoppable #1)
by Jude Watson​

Published October 1st 2013

The Cahill family has a secret. For five hundred years, they have guarded the 39 Clues – thirty-nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now.

Thirteen-year-old Dan Cahill and his older sister, Amy, are the latest guardians of the Clues. They think they’ve done everything right, but a tiny mistake leads to catastrophe. The serum is missing and Dan and Amy have to get it back and stop who stole it . . . before it’s game over. For everyone.

 

Breakaway (The 39 Clues: Unstoppable #2)
by Jeff Hirsch​

Published January 28th 2014

As a member of the most powerful family history has ever known, thirteen-year-old Dan Cahill has been shot at, kidnapped, and even thrown into a pit with a deadly snake. He's survived it all due to luck, smarts, and his older sister, Amy, who always sticks by his side.

Now Dan and Amy are facing their greatest threat yet, an enemy who has found a way to use the source of the Cahill family power against them. To stop him, Dan and Amy must set out on a desperate mission that will take them from one of the world's hottest regions all the way to the frozen blast of the Arctic Circle. But with the enemy closing in , Dan finds himself facing the one terror he never imagined - being betrayed by his own sister.

 

Countdown (The 39 Clues: Unstoppable #3)
by Natalie Standiford
​

Published May 1st 2014

The clock has finally run out for the Cahills. As the leaders of the world’s most powerful family, Dan and Amy have been in the crosshairs for too long. It was only a matter of time until luck failed them.

Media tycoon and presidential candidate J. Rutherford Pierce has set his sights on destroying the siblings. And after numerous close calls, it looks like he’s about to get his wish.

Now Dan is hopelessly trapped and nothing can save him. Nothing except unleashing an evil the Cahills have spent centuries trying to hide.

The Cahills have always had a secret weapon, but it comes at a great cost. With everything to lose, Amy has to ask herself the question that haunts her nightmares:

Just how far is she willing to go to save her little brother?

 

Mission Titanic (The 39 Clues: Doublecross #1)
by Jude Watson​

Published February 24th 2015

The Outcast was banished from the Cahill family, never mentioned again. For years, he’s been lurking, watching, recruiting, waiting for the chance for revenge. And now he strikes, with a diabolical plan. The Outcast recreates four of history’s most infamous disasters, and gives the Cahill kids just days to stop them. There are innocent lives on the line, but what might be worst of all is the doublecross that the Cahill kids don’t see coming…

Will Amy be able to take orders from Ian, now that he’s the head of the family? What famous Cahill villain from the past turns out to have an even deadlier brother? And will Saladin ever get a dish of red snapper again?