Universal Knowledge Library: Prehistoric Life

"Long before humans appeared on the earth other life forms existed most of them are now extinct the curiosity to know the beginning of life on earth has driven scientists to do extensive research and excavations to unveil how it all began prehistory is the period of time before written records fossils of prehistory life found all over the world help us to understand the evolution of life on earth and all many amazing creatures that have lived here this book contains interesting information about the amazing prehistoric world "