The complete set of the Life on Earth books comprising In the Air, In the Sea, On the Land, Before Life, The First Humans and First Life. Fully illustrated they answer questions on how life began and developed and what the first humans were like.

 

This book is part of a book series called Life On Earth .

There are 112 pages in this book. This book was published 2004 by Facts On File Inc .

The Diagram Group has produced over 360 titles containing 41, 000 pages of integrated text and illustrations. Recent titles that the Diagram Group has published with are Chemistry Experiments On File[trademark], Encyclopedia of Prehistory, Weather and Climate On File[trademark], and Marine Science On File[trademark], all for Facts On File.