The Secret Explorers and the Missing Scientist (Unabridged) Other Books in This Series

The Secret Explorers and the Comet Collision (Unabridged) The Secret Explorers and the Comet Collision (Unabridged)
The Secret Explorers and the Comet Collision (Unabridged)
2020
The Secret Explorers and the Lost Whales (Unabridged) The Secret Explorers and the Lost Whales (Unabridged)
The Secret Explorers and the Lost Whales (Unabridged)
2020
The Secret Explorers and the Tomb Robbers (Unabridged) The Secret Explorers and the Tomb Robbers (Unabridged)
The Secret Explorers and the Tomb Robbers (Unabridged)
2020
The Secret Explorers and the Jurassic Rescue (Unabridged) The Secret Explorers and the Jurassic Rescue (Unabridged)
The Secret Explorers and the Jurassic Rescue (Unabridged)
2020
The Secret Explorers and the Rainforest Rangers (Unabridged) The Secret Explorers and the Rainforest Rangers (Unabridged)
The Secret Explorers and the Rainforest Rangers (Unabridged)
2021
The Secret Explorers and the Plant Poachers (Unabridged) The Secret Explorers and the Plant Poachers (Unabridged)
The Secret Explorers and the Plant Poachers (Unabridged)
2021
The Secret Explorers and the Moon Mission (Unabridged) The Secret Explorers and the Moon Mission (Unabridged)
The Secret Explorers and the Moon Mission (Unabridged)
2022
The Secret Explorers and the Haunted Castle (Unabridged) The Secret Explorers and the Haunted Castle (Unabridged)
The Secret Explorers and the Haunted Castle (Unabridged)
2022
The Secret Explorers and the Ice Age Adventure (Unabridged) The Secret Explorers and the Ice Age Adventure (Unabridged)
The Secret Explorers and the Ice Age Adventure (Unabridged)
2022
The Secret Explorers and the Sunken Treasure (Unabridged) The Secret Explorers and the Sunken Treasure (Unabridged)
The Secret Explorers and the Sunken Treasure (Unabridged)
2023