Shadowrun - Cutting Black - Rules of Play says:
A new edition of Shadowrun requires new stories, and Cutting Black launches Shadowrun, Sixth World Edition with a bang! Following on the immersive style of classic Shadowrun books such as Universal Brotherhood and Bug City as well as newer successes like Dark Terrors, Cutting Black sets up storylines full of dark dealings and intrigue that will shake the Shadowrun setting and inspire game campaigns for months or longer. Players and gamemasters alike diving into the new edition will need this book as a resource to find out whats happening in the Sixth World and to keep up with its twists and turns.