Because you like Susie Salmon in The Lovely Bones

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.

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

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.

Moving is hard for Coraline Jones; accidentally moving to a creepy mirror world just makes it harder. See them in Coraline.

Stuck in space, Ryan Stone will either make it back to Earth and have one hell of a story to tell. Or she will burn into the ether. See them in Gravity.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

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

Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.