Zephyr is an intensely driven young zebra. She's ambitious, brave, daring, and headstrong. She is the pride and joy of her aunt Zecora, and there is nothing she can't do if she applies herself. But despite her drive or aspirations, nothing can prevent her body from wanting to shut down. A year out from death and another heart complication later, it's time for her to accept her fate... but not until she fulfills her biggest dream yet:

Becoming a Wonderbolt.

Now, Princess Twilight and the gang are on a mission to sneak her into the grueling Wonderbolt Invitational, a trans-continental Grand Prix where the winner is immediately selected for a one-way ticket to stardom. It's the envy of every daredevil speedster around, and every pegasus and griffon around is gearing up for their chance to prove themselves as they engage in speed, agility, and endurance challenges around the globe.

The problem is: Rainbow Dash, Gilda, and the fiercest flyers from around the world are competing too... and all of them want to win more than anything.

That, and she'll need some wings. Those are kind of important.
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My thanks again to Jagg for being open to my ideas.
If anyone is suddenly taken in by this story and desires to make some coverart, I wouldn't be at all averse to talking with you about it.