Meaning of Sisterhood — Beverly Sommers

Ariel had always been a loner, a dreamer, a poet. But all that changed when Kirsten, the sister she never knew came to live with them. She's from southern California and is the exact opposite of brown-haired quiet Ariel. Ariel had always wanted a sister--and so had Kirsten. And as unalike as they are, maybe they could discover each one had something to teach the other about life, boys, and loyalty....