Switched is by Amanda Hocking. The first novel in the Trylle series. Wendy Everly's mother doesn't believe she is her child, so much so she tried to kill her when Wendy was six. Now at seventeen, she discovers her mother might have been right. She finds herself followed by a mysterious boy who tells her she is a changeling and he has come to take her home. She finds herself a princess in a magical world in the middle of a conflict in which all sides want to possess her. An interesting premise for a series.
Ratings: 8th grade - 8 out of 10 - AC (some mature thematic content).