Catrina and her family are moving to the coast of Northern California because her little sister, Maya, is sick. Cat isn't happy about leaving her friends for Bahía de la Luna, but Maya has cystic fibrosis and will benefit from the cool, salty air that blows in from the sea. As the girls explore their new home, a neighbor lets them in on a secret: there are ghosts in Bahía de la Luna. Maya is determined to meet one, but Cat wants nothing to do...

From the critically acclaimed author of Say What You Will and A Step Toward Falling comes a deeply emotional new novel, perfect for fans of Five Feet Apart and The Fault in Our Stars. David Scheinman is the popular president of his senior class, battling cystic fibrosis. Jamie Turner is a quiet sophomore, struggling with depression. The pair soon realizes that they're able to be more themselves with each other than they can be with anyone else, and...

After finding a mysterious creature on the beach, twins Jamie and Ned bring it home and hide it in the garage, hoping that it signals a miracle that will save Ned's life.

In a doctor's office, a man and a woman sit stunned as the doctor speaks: Blood tests show without a shadow of a doubt that the son they love so dearly, and who is now dying, is not their child. Incredible as it seems, there must have been a mix-up in the hospital where he was born. Enduring the pain of Peter's death is a blow they must bear, but Margaret and Arthur Crawfield must also confront the realization that somewhere their biological child...