Robert E. Howard 
Blood of the Gods [EPUB ebook] 

In ‚Blood of the Gods‘ by Robert E. Howard, El Borak (Francis Xavier Gordon), a skilled and daring American adventurer, ventures into the treacherous deserts of Afghanistan. Tasked with retrieving a valuable cache of priceless rubies known as the Blood of the Gods, he faces rival warlords, bloodthirsty mercenaries, and treacherous terrain. As El Borak battles against both nature and enemies, he relies on his wits and combat prowess to outsmart everyone on his way to the legendary jewels. It’s a gripping tale of adventure, betrayal, and survival in a hostile land.