Books for my niece

Hi, all! I’m looking for reccomendations for books for my niece. She is 15, pretty mature, and likes to read. She likes things like:

Perks of Being a Wallflower

The Seven Husbands of Evelyn Hugo

John Green books

The Lovely Bones

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This isn’t the type of stuff I read, so I’m not sure what to get. I think she wants things pretty recent and relevent, so no classics. Difficult and mature concepts are OK, but not much sex, please. Thanks so much!

by 19Seashells