Lily, who has attention-deficit hyperactivity disorder, and Abelard, who has Asperger's, meet in detention and discover a mutual affinity for love letters--and, despite their differences, each other.

"For the first time ever, the Weston sisters are at the same boarding school. After an administration scandal at Libby's all-girls school threatens her chances at a top university, she decides to join Charlotte at posh and picturesque Sussex Park. Social-climbing Charlotte considers it her sisterly duty to bring Libby into her circle: Britain's young elites, glamorous teens who vacation in Hong Kong and the South of France and are just as comfortable...