Book excerpt: "The final, epic Twelfth Doctor adventure is here, from the pages of Doctor Who magazine! The Doctor and Bill Potts are pulled into a deadly conflict as the Time Lords come under attack -- but the Doctor's adversary is one of his closest friends! A dark piece of the Doctor's history is exposed as the secrets of the Time War are revealed! Also: the classic saga "The Cybermen" is collected at last, now in full colour for the first time! Plus: six stories starring the First, Fourth and Fifth Doctors from the pages of the Doctor Who Yearbooks. And: an in-depth 13-page commentary section where the comics creators reveal the secrets behind the stories! Featuring never-before-published art, photos, and character designs!" -- Page [4] of cover.