You've once said that there were three sentient species on Yolen: Human, Dragon and [Sho Del]. We've seen a lot of 'people' on the different planets that were either descended from or intentionally based on humans. Frost is known to be a dragon.
Are any of the non-human species we've seen descended from or based on either Dragons or [Sho Del]?
What colour is Frost's blood? What color is a [Sho Del]'s blood?
RAFO, more because I'm not ready to canonize Dragonsteel facts yet, as opposed because it will be a huge revelation.