Twilight has discovered a strange old book purportedly written by Star Swirl the Bearded, and Rainbow Dash discovers a latent spell in it that transports the two ponies to a strange island in the middle of nowhere. With no viable options available to them, Twilight and Rainbow begin to search the island for clues to a way home and the reason behind the odd puzzles and contraptions presented to them.
Dramatic Reading here.
Twilight and Rainbow visit a pony version of Myst
The Sequel to Aitran. Myst/Riven cross-over
An Aitran tale. Twilight and Spike join Star Swirl's daughter Nyx in exploring the worlds Star Swirl created to teach key principles of Writing and find themselves in the last chapter of a madpony's tale of betrayal, revenge, and restitution.