13. The Sisterhood of the Traveling Pants Series by Ann Brashares
Four close friends face the summer, and life, apart. As each girl travels and grows into adulthood, they share one pair of pants to keep them connected. Strong female characters make this book engaging and one of the most popular YA books for adults.

14. The Perks of Being a Wallflower by Stephen Chbosky
Not everyone can be a jock or class president. Shy wallflower Charlie, is a high school freshman struggling to find his place in the world. The nerd in all of us will relate to Charlie’s story.