Twilight is showing Celestia her new invention – an advanced lie detector. Without her knowledge, Luna and James asked her friends to join the presentation. But that shouldn't be a problem. After all, the mane six has nothing to hide! … right?

Meta:

Cover based on the images from: https://derpibooru.org/images/1517277 and https://www.deviantart.com/estories/art/Background-Twilight-s-Castle-Library-2-781634544
Proofread by Ginger and Grammarly
Now with YT reading: https://www.youtube.com/watch?v=uBl1VIyvcS4 (all thanks goes to StraightToThePointStudio for his awesome work)

Another one to get into the feature box. Thank you, dear readers, I hope you enjoyed it