Check out the thrilling new book series from National Geographic…


Book four: The Sand Dunes

Explorer Academy The Star Dunes book jacket

Cruz, Sailor, Emmett, and the gang are on their way to Africa when Nebula misses their intended target and someone close to Cruz ends up on the brink of death. Secrets creep out from the shadows and leave Cruz with more questions than answers in this fourth title in the hit series. A major discovery forces the Explorer Academy into the limelight in The Star Dunes, but Cruz has much more on his mind than 15 minutes of fame.

The discovery of his mum’s next clue leads him to the most exotic location yet, a vast desert with no other information to lead the way, while an unlikely ally might be the clue to solving the next puzzle.


Book three: The Double Helix

Explorer Academy The Double Helix book jacket

The mystery deepens and the action intensifies for 12‐year‐old Cruz Coronado and friends in the exciting third book in the Explorer Academy series.

The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few trusted pals explore ancient ruins in Petra, Jordan, and search for another piece of the puzzle his mother left behind.

The clock is ticking as his first teen birthday draws near… a milestone that will change his life forever, one way or another.



Book two: The Falcon’s Feather

Explorer Academy The Falcon's Feather

In this exciting follow-up to The Nebula Secret, Cruz, Sailor, and Emmett – along with their new ally, Bryndis – embark on a globe-trotting mission aboard the ship Orion.

Cruz starts using the latest technology in submersible underwater dives, but is soon reminded of the danger he’s in when someone tampers with his diving helmet and he almost drowns.

Determined, Cruz sneaks away to try to find answers, but unknowingly lures his friends into bigger trouble. When a friend of Cruz’s mom meets an untimely end, Cruz’s luck really seems about to run out… Who is following him? And why?

This captivating follow-up to book one is the sequel every Explorer Academy fan is waiting to read.


Book one: The Nebula Secret

Explorer Academy The Nebula Secret book jacket

Cruz Coronado applies to attend an exclusive school for explorers, the Explorer Academy, where his mother worked before dying in a mysterious lab accident. Plunged into a world of critical missions and code breaking, the 12-year-old embarks on a global hunt for a secret formula that could reveal his hidden past. But it might be difficult — especially when you don’t know who you can trust.



Watch the trailer!


Meet the characters!

Cruz Coronado

Explorer Academy book

Cruz has just joined the prestigious Explorer Academy, where his mother died in a mysterious lab accident when he was young. Cruz is excited about his high-tech exploration classes, but he’s being followed by a shadowy figure who wants to do him harm. But with the help of his friends, Cruz knows he can face any danger while he’s solving his mother’s mystery.


Lani Kealoha

Explorer Academy book

Lani is a tech genius and Cruz’s best friend from home in Hawaii. She adapted Cruz’s honeybee drone, Mell, to respond to voice control and will be key in helping him crack the mystery of what happened to his mother—even while Lani is living halfway around the world.


Emmett Lu

Explorer Academy book

Cruz’s Canadian roommate at the Explorer Academy, Emmett is a wizard when it comes to wearable tech. He invented his one-of-a-kind emoto-glasses, which change colour and shape with his emotions. Emmett quickly becomes one of Cruz’s best friends at the Academy, risking everything to help Cruz on his mission.

Sailor York

Explorer Academy book

Sailor is smart and competitive, loyal and brave—and willing to face any danger to help her friends. Although her New Zealand slang may sometimes confuse Cruz, he enjoys having her around to make him laugh and help him out when things turn a little dark.


Crack the code!

Explorer Academy


For more code‐cracking adventure, try the Explorer Academy Codebreaking Adventure Book and Explorer Academy Activity Book!

National Geographic Explorer Academy Code Breaking Activity Adventure book jacket

From head‐scratching puzzles to ancient ciphers, navigate the codes and be rewarded with a first‐class tour of the Academy.

National Geographic Explorer Academy Activity Adventure book jacket


What kind of explorer are you?



You can explore and chronicle your own exciting adventures, awesome expeditions and incredible discoveries with your very own Explorer Academy Field Journal!

National Geographic Explorer Academy Field Journal book jacket

Explorer Academy is out now – head here to discover more!




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  • Teresa

    did you know that a new book is coming? it's called the double helix.

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