Ten Thousand Truths — Susan White

Thirteen-year-old Rachel is bad news, or so her foster care worker tells her. She's been shuttled from one rotten foster family to another ever since her mother and brother died in a car accident five years ago, and she's running out of options. So when she gets caught shoplifting and is kicked out of her latest home, the only place left to send her is the last resort for kids like her: a farm in the middle of nowhere run by a disfigured recluse named Amelia Walton, whom Rachel nicknames “Warty” because of the strange lumps covering her face and neck. Rachel settles into life at the farm, losing herself in her daily chores and Amelia's endless trivia, and trying to forget her past and the secret she's holding inside. But when a letter arrives for her out of the blue, Rachel soon realizes that you can't hide from your past -- or your future