Long John Silver - Volume 3 - The Emerald Maze

The bloody mutiny was a success, and Long John is now in command of
the Neptune. Following their native guide, the survivors find the
mouth of the Amazon and sail on towards Guiana-Capac. But after the
dangers of the open ocean, it’s the unknown terrors of the jungle
they must now face ̶̶̶ with a damaged ship and a reduced crew. To
what doom will the lush labyrinth of the Amazon lead Long John, Lady
Vivian and Dr Livesey?