Wants the official beginning
Start with The Lost Whales to meet the team and see how a mission works.
Book Series · 14 Books
In order from The Secret Explorers and the Lost Whales to The Secret Explorers and the Cave Crisis.
Fact-filled adventures about a diverse team of young experts traveling around the world—and beyond it—to solve missions involving animals, science, history, and technology.
Reviewed by the Bookroo Editors Updated
Publication order is simplest, starting with The Lost Whales. The team and headquarters recur, but each mission focuses on different experts and can be understood on its own.
Families can also choose by interest—a dinosaur rescue, moon mission, rainforest, volcano, castle, cave, or ocean adventure. Mission notes, quizzes, and glossaries reinforce the real facts.
Sources: DK Secret Explorers collection, DK Moon Mission.
Missions include volcanoes, ice, caves, storms, lost or endangered animals, poachers, tomb robbers, and children working in risky environments. Danger is brief, non-graphic, and centered on planning and teamwork.
Real science and conservation are woven into the fiction, including habitat loss, space debris, extinct animals, archaeological theft, and environmental protection.
The first book gives the clearest introduction, but a strong subject interest is also a good entry point.
Start with The Lost Whales to meet the team and see how a mission works.
Choose the dinosaur, moon, rainforest, volcano, Ice Age, or ocean title that matches it.
Two friends go on an underwater adventure to help a lost whale calf find its mother and the rest of the pod.
14 books · Published 2020–2023
Two friends go on an underwater adventure to help a lost whale calf find its mother and the rest of the pod.
Two friends go on a space mission to repair a probe and witness a comet collision with Jupiter.
Can young explorers stop pyramid thieves and save ancient treasures in Egypt?
Two explorers travel back in time to the Jurassic period to protect a dinosaur egg.
Can the Secret Explorers save a baby orangutan and the rainforest from destruction?
A volcanic eruption threatens lives. Can young explorers save the day?
Young explorers race to rescue a trapped Arctic research vessel and missing scientist amidst icy dangers.
Can young explorers stop poachers from stealing endangered Venus flytraps?
Kids navigate lunar dangers to clear space debris and save a mission.
Kids travel back to the ice age to save woolly mammoths from an avalanche.
A ghostly mystery unfolds at a medieval castle. Can young explorers solve it?
Rescue wolf cubs in a desert adventure filled with science and danger.
Can young explorers find pirate treasure and save a shark in peril?
Young explorers uncover hidden secrets in Indian caves. What mysteries await beneath the surface?
There are 14 books in the Secret Explorers series. It began with The Secret Explorers and the Lost Whales in 2020, and the newest book, The Secret Explorers and the Cave Crisis, was published in 2023.
Start with The Secret Explorers and the Lost Whales and follow the series order — the books above are numbered #1 through #14.
The series is best for ages 7–9, based on the age ranges of the individual books.
The people who bring The Secret Explorers to life.
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