Flipped by Wendelin Van Draanen.
In alternating chapters, two teenagers describe how their feelings about themselves, each other, and their families have changed over the years.
Once Upon a Marigold by Jean Ferris.
A young man with a mysterious past and a penchant for inventing things leaves the troll who raised him, meets an unhappy princess he has loved from afar, and discovers a plot against her and her father.