Charlie Vega is the heroine of Crystal Maldonado’s debut young-adult novel, “Fat Chance, Charlie Vega.” When Charlie describes herself, she uses the word “fat.” She’s learning to celebrate who she is and how she looks -- although her weight still affects her relationships with crushes, her best friend and her mom. “My thing was, I never got to see a fat character, especially a fat brown girl, who gets to be that heroine, who gets to be desired and who gets to love herself,” Maldonado told NEXT .