Kristina Georgia Snow's life is turned upside-down after she becomes addicted to drugs, leading her down a desperate path that threatens her mind, soul, and life.

Lauren seems to have the perfect life with good friends, decent grades, and a great looking boyfriend; but when she meets Evan Kirkland, Lauren realizes she needs to make a choice in her life before one is made for her.

Cat is excited about graduating high school, moving, and her dad's wedding; but as the events comes closer, she starts to become worried that she will lose touch with her friends.

Best friends Harper Waddle, Sophie Bushell, and Kate Foster decide to forgo their freshman years at college and pursue their dreams instead, while a fourth friend, Becca Winsberg, follows a more traditional path, but they all read the mid-point of the year not quite where they thought they would be.

Thirteen year old Baby feels torn between her childhood and the adult life she lives on the streets, and when a local pimp tries to coerce Baby into prostitution, she finds herself caught in a volatile situation even her heroin-addicted father can't ignore.

Sixteen-year-old Macy has her world turned upside down when communication lines fail and a Scythian army attacks, causing her to leave her suburban Minnesota town with her family; as they plan to escape a refugee camp via the Mississippi river, events take an even stranger turn, and her family's bonds are tested.

Moinette, a mixed-race child born into slavery on a Louisiana plantation, gains an education by listening to the lessons given her young mistress, and when she is sold and separated from her beloved mother at the age of fourteen, she immediately begins to make plans to gain her freedom.

While exploring the facets of romance with her Napali tutor, the Indian-Nepali insurgency reaches a frenzy, forcing Sai to revist her past and reconnect with her eccentric grandfather.