Authors:

Wouldn't it be strange, she thought, to have a blue sky? But she liked the way it looked. It would be beautiful - a blue sky.

Jeanne DuPrau (2012). “The Books of Ember Omnibus”, p.80, Random House Books for Young Readers
Wouldn't it be strange, she thought, to have a blue sky? But she liked the way it looked. It would be beautiful - a blue sky.