Tir Nan Og - The Land of The Young - is a violent world, home to warring tribes who worship gods both benign and malevolent. One such tribe is the Sessair, brave warriors of enormous skill, and the best of them is a young barbarian named Slaine Mac Roth. In this first collection of Slaine's adventures, we meet the hero himself and his repellent dwarf companion, Ukko, and are introduced to the customs and wonders of his world - and the horrors, like the Sloughs: sinister magicians who worship death and destruction, and can raise armies of the dead to do their dark bidding...