What happened to Marina before coming to Warrington? Where was she staying immediately before coming to boarding school?

Why does Marina start a diary? How does she feel about it at first? Do her feelings change over time? Does the diary play a role in Marina's recovery? How?

How does Marina's mother fit into her life? Why is she so much in the background? What do you think of her mother going to New York during this time? What are Marina's mother's obligations to her daughter, and does she fulfill them?

What does Marina find at Mr. Lindell's place? Why does she cry?

What is Marina's relationship with Cathy and how does it evolve over time? Why does Marina allow Cathy to get closer to her than others?

What has Marina lost due to the acid incident? What, if anything, has she gained? Does...