Everything, Everything by Nicola Yoon
The novel centers around a teenage girl who has spent her entire life confined to her home due to a rare disease that makes her allergic to virtually everything. Her world is small and meticulously controlled until a new family moves in next door, and she begins a complicated romance with the teenage boy who becomes her window to the outside world. As their relationship deepens, she becomes willing to risk everything to experience life and love, leading to revelations that will change her understanding of the illness that has defined her existence. The story is a poignant exploration of the desire for connection and the lengths we go to for the people we care about.