There are 9 books in the Treasure Hunters series. The newest book is The Greatest Treasure Hunt which came out in 2023.

2
Danger Down the Nile

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of Danger Down the Nile
Four kids on a quest to find the legendary Mines of King Solomon...and their parents. Bick, Beck, Storm and Tommy are navigating their way down the Nile, from hot and dusty Cairo to deep dark jungles, past some seriously bad guys along the way. They'll need all their survival instincts…

3
Secret of the Forbidden City

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of Secret of the Forbidden City

The Kidds - treasure hunting family extraordinare - are heading to China, on a journey that will lead them beyond the Great Wall and into the underbelly of Berlin.

Bick and Beck Kidd are desperately trying to secure the ancient Chinese artefact that will buy their mother's freedom from renegade…

4
Peril at the Top of the World

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of Peril at the Top of the World

THE KIDD FAMILY HAS NEVER BACKED DOWN FROM A TREASURE HUNT!

In their newest adventure, the Kidd family searches for lost treasure in the frosty Arctic!

When the biggest heist in history takes place in Moscow, the Kidds rush in to save the day - but instead, they're accused of…

5
Quest for the City of Gold

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of Quest for the City of Gold
Gear up for an exciting new adventure with the thrill-seeking Kidds as they search for a missing city in South America made entirely of gold!

The Kidd family discovers an ancient map to the lost Incan City of Paititi. But when the map is stolen, the Kidds have to rely…

6
All-American Adventure

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of All-American Adventure

The USA is in danger...and only the Kidds can find the treasure that will save it!

Bick, Beck, Storm and Tommy are stuck in Washington, D.C. without any priceless antiques to hunt - BORING! But everything changes when the Kidds uncover a dastardly conspiracy: a fake Bill of Rights!

Now…

7
The Plunder Down Under

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of The Plunder Down Under

Cross a vast desert full of deadly creatures, find long-lost treasure, and save their parents? All in a day's work for the Kidds!

The Kidd family is on the hunt for Lasseter's Gold, one of the legendary lost treasures of Australia. But when their ship is waylaid by pirate Charlotte…

8
The Ultimate Quest

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of The Ultimate Quest

Dodge missiles, map undersea caves, outrun secret agents, and uncover the ultimate treasure? That's a day in the life of the Kidds!

The Kidd family is on an exciting new mission: using the augmented reality gear their parents created to uncover long-lost treasure. But then their ship, The Lost, explodes…

9
The Greatest Treasure Hunt

By James Patterson , Chris Grabenstein , Juliana Neufeld (illustrator)

Book cover of The Greatest Treasure Hunt

In the finale of James Patterson's bestselling series, the Kidds compete for fame and glory—but can they solve a mystery, restore their family name and uncover the biggest treasure yet?

Bick, Beck, Storm, and Tommy Kidd have uncovered and rescued some of the world’s greatest treasure, without ever seeking out…