This book is a great resource for those interested in human evolution. To use it, simply start reading from the beginning to get a comprehensive understanding of the processes of ongoing human evolution. When handling the book, be gentle to avoid damaging the binding and the dust jacket. Since it's an old book from 1960, it's advisable to store it in a dry and cool place to prevent pages from yellowing or getting moldy. If you want to mark important passages, use a bookmark instead of writing in the book to preserve its condition.