10. Kristin Cast • House of Night
Prepare to be wowed. Kristin Cast was only 19-years-old when she started writing and she co-authored the House of Night series with her mother, P.C. Cast. All together now: awwwww. The vampire-themed fantasy series follows the adventures of 16-year-old Zoey Redbird, who is marked as a fledgling vampire and must enroll in the House of Night boarding school to undergo her transformation.

11. Paige Harbison • New Girl
New Girl, written by 25-year-old Paige Harbison, follows the experiences of the new girl at an elite boarding school, who was only able to attend the school because a prior student went missing. As she tries to adapt to her new life and find a place to fit in, the new girl realizes that Becca, the girl who went missing, still feels present every day.