When you get up into the crown of a redwood tree, you lose sight of the ground entirely. You also lose sight of the sky. And you're in a lost world. You're in an undiscovered, unexplored ecosystem, somewhere between Heaven and Earth, filled with forms of life, not all of which have been given names by scientists yet.

I had actually finished the manuscript of 'The Wild Trees' and turned it in to Random House when all of a sudden word came. Michael Taylor and his colleague, Chris Atkins, another explorer, have just knocked one out of the park. They found the world's tallest tree. The tree is named Hyperion, 379.1 feet tall.

Redwood rainforest has five to 10 times the biomass - that's the sheer weight of living material - of, say, deep tropical rainforest in the Amazon basin.

Richard Preston Quotes