Zeno the Racing Tortoise
From Delphi the Dreamer
 
Delphi’s pet tortoise has always led a quiet and peaceful existence.  At least Delphi thought so, until one night when Zeno starts speaking to her.  It turns out he was once a famous racing tortoise, whatever that is, and even beat the legendary Achilles in a footrace across the beach.  Delphi hears his stories and, even using all the logic she knows, still can’t make sense of how a tortoise can outrun A