Because you like R in Warm Bodies

The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.

Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.

Despite the undeniably awful turn her life has taken, Rachel handles herself with remarkable grace. See them in Me and Earl and the Dying Girl .

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

Brian Robeson is a true survivor through and through. See them in Hatchet.

Charming and confident, Gus Waters is determined to leave a lasting mark on the world. See them in The Fault in Our Stars.

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .

Margo loves mysteries so much that she becomes one. See them in Paper Towns.

A fearless scientist, Jane won't let a mere shipwreck stop her. See them in Tarzan.

Clary Fray's philosophy: dive into the supernatural underworld first and ask questions later. See them in City of Bones.

Faced with inequality, Gale Hawthorne has a rebellious spirit that only grows. See them in The Hunger Games .

A literal fallen star, Yvaine is temperamental, sarcastic, and a bit on edge. See them in Stardust.