Complex sentence: In the weeks before release, Tor Books released chapter one for free and chapter two was made available on the Halo Waypoint website, and Tor ran seven giveaways of the other "Halo" novels and action figures.
Split into simpler sentences: In the weeks before release, Tor Books released Chapter One for free, and Chapter Two was made available on the Halo Waypoint website. Tor also ran seven giveaways of the other "Halo" novels and action figures.