Because you like Cassie Sullivan in The 5th Wave

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.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.

Motivated by a strong sense of curiosity, fleet-footed Lina Mayfleet is happiest when she's on the move. See them in The City of Ember.

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.

Sam Roth is sensitive, musically gifted, and scarred by his past. See them in Shiver .

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

Running away from murderous aliens has turned into an interstellar chase for Jupiter Jones. See them in Jupiter Ascending.

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

Hannah Baker is a buoyant spirit broken by the cruelties of high school. See them in Thirteen Reasons Why .