        Twilight opened her saddlebag, and pulled out the book Luna had given her.  She began flipping through the book, not seeing Trixie’s pupils shrink.  The showmare moved back a few steps, took a deep breath, and closed her eyes.  “You will not need that book, Twilight Sparkle.  Trixie does not know how to teach out of a book.  Trixie will teach you those lessons the way Trixie learned them, by example, and by—” she sighed heavily “—sharing magical fields.”