Not knowing much about the jungles of Cambodia the setting was a bit of a mystery to me. It all takes place in the jungle, in among the trees, in clearings or in stone cities or ruins. The basic premise is that there is a hidden civilisation which the hero stumbles upon. There are various occurrences familiar to regular readers of ERB - capture, enslavement, kings, princesses and fighting. Most of the story is nicely balanced between the savage surroundings and the civilised hero, and the natives are treated with respect for their beliefs. It is only with the scale of the hidden cities that I lost a bit of belief - being able to round up 1,000 elephants for a parade just seemed silly. A good adventurous read though.