Sky of Seven Colors — Rachelle Nelson

In a strange part of the forest, the divide between worlds grows thin. After the accident, Meg would do anything to wake her best friend from his deadly coma. At least, that's what she whispered into the woodland shadows. She never imagined her wish would trap her in a gray other-earth, void of any color. Meg's vibrant humanity is a priceless artifact in the gray kingdom, coveted by the royal court. All she wants to do is find a way back home. Until she discovers the other-earth contains healing powers that can save her friend. But only if Meg becomes what the gray people need—a human bride for Kalmus, the powerful king of the capital city. With her heart torn between earths, Meg's choices may cost more than she knows.