Llana of Gathol (His Martian series, no. 10)

Llana of Gathol is an Edgar Rice Burroughs science fiction novel, the tenth of his famous Barsoom series. It consists of four stories that were originally published in Amazing Stories . It is the penultimate book in the Barsoom series and the last to be published during Burroughs's lifetime. The stories in Llana of Gathol have a somewhat more humorous tone than earlier entries of the Barsoom series, and this book is considered to be an example of Edgar Rice Burroughs engaging in self-parody late in his career."The Ancient Dead", originally "The City of Mummies""The Black Pirates of Barsoom", originally "Black Pirates of Barsoom""Escape on Mars", originally "Yellow Men of Mars""Invisible Men of Mars"Wikipedia-