L. Sprague De Camp

Lyon Sprague de Camp — known as L. Sprague de Camp — was an American writer of science fiction, fantasy, non-fiction and biography. In a career spanning 60 years, he wrote over 100 books, including novels and works of non-fiction, including biographies of other fantasy authors. - Wikipedia

• Lest Darkness Fall
  Lest Darkness Fall 1941
• The Fantasy Hall of Fame [30 stories]
  The Fantasy Hall of Fame [30 stories] 2002
• The ancient engineers
  The ancient engineers 1963
• The compleat enchanter

  
  The compleat enchanter 1975
• Masters of Darkness III
  Masters of Darkness III 1991
• Science Fiction A to Z

  
  Science Fiction A to Z 1982
• Conan of the Isles
  Conan of the Isles 1974
• The Golden Years of Science Fiction
  The Golden Years of Science Fiction 1983
• Dragon Tales

  
  Dragon Tales 1982
• Swords and sorcery

  
  Swords and sorcery 1963
• Conan of Cimmeria
  Conan of Cimmeria 1974
• Conan the Barbarian
  Conan the Barbarian 1982