Life: A Natural History of the First Four
Billion Years of Life on Earth is a book about
natural history by British paleontologist
Richard A. Fortey.
It was originally published in hardcover in
Great Britain by HarperCollins Publishers,
under the title Life: An Unauthorised Biography.
Fortey used this book to explain how life
has evolved over the last four billion years.
He discusses evolution, biology, the origin
of life, and paleontology.
Under its various titles Fortey's book has
become a best-seller; according to WorldCat,
it is in over a thousand public libraries
in the United States alone.
