Total Number of High School Books: 3,175
Uglies (Uglies #1)
Ugly Love
Ultraviolet (Ultraviolet #1)
Unashamed
Unbreakable: My Story, My Way
Unbroken Bonds (The Bonds that Tie Book 6)
Unchanged (Unremembered, #3)
Uncrowned (Cradle, #7)
Underground America
Underlord (Cradle, #6)
Undertale: Surviving the Underground
Underworld (Abandon #2)
UnDivided (Unwind Dystology Book 4)
Unicorn Famous (Phoebe and Her Unicorn Series Book 13)
United (Alienated #3)
United as One (Lorien Legacies #7)
Unravel Me (Shatter Me #2)
Unsouled (Cradle, #1)