If you like A Walk to Remember by Nicholas Sparks
I have some suggestions if you liked A Walk to Remember, and The Notebook.
A Northern Light by Jennifer Donnelly.
In 1906, sixteen-year-old Mattie, determined to attend college and be a writer against the wishes of her father and fiance, takes a job at a summer inn where she discovers the truth about the death of a guest. Based on a true story.
A Great and Terrible Beauty by Libba Bray.
After the suspicious death of her mother in 1895, sixteen-year-old Gemma returns to England, after many years in India, to attend a finishing school where she becomes aware of her magical powers and ability to see into the spirit world.
Pirates! by Celia Rees.
In 1722, after arriving with her brother at the family's Jamaican plantation where she is to be married off, sixteen-year-old Nancy Kington escapes with her slave friend, Minerva Sharpe, and together they become pirates traveling the world in search of treasure.