These are good even if you know little more about ponies than that some friends turned Nightmare Moon back into Princess Luna with magic friendship beams.
Because even my Highly Recommended wasn't selective enough for these gems (<3% of stories I enjoy make it onto this list). These deserve more stars than I can reasonably give.
Would be in Pony Prose Perfection were it not for that one pesky serious flaw. In the case of both stories presently listed, that's entirely contained in the (skippable) epilogue.
Stories in this bookshelf have gone beyond the impossible by including an algorithm with a name that puns off the main character's name and story title.