Complex sentence: Before the game, the first of a series of novels known as the "Star Wars Republic Commando Series" was released, telling the story of various Republic Commandos-including Delta Squad-before and after the events that transpired in the game.
Split into simpler sentences: Before the game, the first of a series of novels known as the "Star Wars Republic Commando Series" was released. These novels tell the story of various Republic Commandos-including Delta Squad-before and after the events that transpired in the game.