If there's one thing Twilight Sparkle knows, it's friendship. As the Princess of Friendship it's technically her job description. However her latest friendship task presents a real challenge, when a group of quirky Bat Ponies trying to fit in with normal Pony society show up at her door. Luckily she has her friends and several sleepover guide books at her disposal.
(Written as an entry for 2016's Bat Pony themed contest here! )