Matched (Penguin Young Readers Group, 369 pp.), the first book in Condie's "Matched" trilogy, the novel tells the story of Cassia, who lives in a world where a Society pairs people with someone they are told is their soulmate. But after Cassia sees Ky Markham's face flicker briefly on her screen – after another boy's has already appeared – and she and Ky begin to fall in love, she comes to doubt the Society she's always trusted.