"Trees are among nature's most remarkable achievements, growing from a seed you can hold in your hand into a green giant several stories high. Read all about their unbelievably long life spans and how they can live in the most extreme conditions, from baking deserts to icy wastelands. You'll also find out how they provide us with fuel, food shelter -- and even the oxygen that we breathe!,"--back cover.

Includes index.

Introduction -- Why hug a tree? -- What is a tree? -- Why do trees rule? -- All shapes and sizes -- A home to hundreds -- Lungs of the planet -- The wonder of wood -- "Wood" you believe it? -- Nature's clocks -- Sacred trees -- Trees under attack! -- The future of trees.