We Are All Completely Beside Ourselves (Unabridged ed)

Rosemary's started college, and she's decided not to tell anyone about her family.

Rosemary is now an only child, but she used to have a sister the same age as her, and an older brother.

Both are now gone - vanished from her life. There was something unique about Rosemary's sister, Fern.

You'll have to find out for yourself what it is that makes her unhappy family unlike any other.