Read this book to learn about one of Earth's last frontiers: mysterious jungles. Learn about the extreme weather, hidden landforms, and unusual living things found in this habitat.

A final frontier -- What are the jungles? -- Why are jungles unexplored? -- Jungle layers -- The forest floor -- The understory -- The canopy -- The emergent layer -- The Amazon -- The people -- The search for medicine -- How we explore -- Only in the jungle -- Glossary.