Jack London 
Strength of the Strong [EPUB ebook] 

Old Long-Beard is an early caveman who wears bearskin and eats with his hands. His life might seem simple, but the truth is something different – his society was once complex and advanced. One day he decides to tell his grandsons the story behind their tribe; how their society evolved step by step, and how it in the end led to their destruction…’The Strength of the Strong’ is one of the intriguing short stories in Jack London’s short story collection which carries the same name. The collection includes seven short stories, some of which are purely political.-