Mighty Conan in a fight to the death against the most dangerous fiends of the Hyborian Age! Hunting the swift stag and the tusked boar in the gloomy forests of the Gunderland Marches, Conan loses his son Conn to Thoth-Amon and the supremely evil wizards of the Black Ring - and is drawn into a deadly pursuit to the very ends of the Earth, and a battle to the deepest levels of his endurance. "Conan of Aquilonia" - the tale of fantasy's most powerful hero, at the height of his reign, and his final confrontation with his greatest enemy!

Book 12 of the 12 part series published by Lancer/Ace, though in L. Sprague de Camp's internal series chronology it is book 11.