Talk:Episodes, films, and shorts/@comment-11463617-20131004234439/@comment-26973802-20131008163933

They're official material like the comics, but unlike the comics, which can be viewed as canon if one wishes, the chapter books have unexplainable plot holes. I'm not sure about the Pinkie Pie one which I know nothing about but the Twilight Sparkle and the Crystal Heart Spell depicts Trixie as evil again when she turned good before Twilight became an alicorn