Daring Do and the Mirror's Curse

Daring Do really wanted to help.
But like before, Ponyville would have to settle things on its own. After a while, though, she couldn’t stand it. She went back to Ponyville in a jiffy, and went back to where Trixie’s booth was. Daring saw a teensy window, and then a door, with a wand and a moon.

She went in... and saw a notebook with the same symbol. She looked out the window, and what looked like the same symbol was on that braggart’s flank. Daring Do then looked inside. Even though it could be private, it could also be very important.