So B. It - Sarah Weeks So B. It is a children's novel by Sarah Weeks, released In 2007. It received awards in Illinois (the Rebecca Caudill Young Reader's Book Award) and Kansas (the William Allen White Children's Book Award). The book recounts the story of a young girl's relationship with her handicapped mother, her quest to learn more about her family, and her desire to discover the truth. Heidi is a twelve-year-old girl with a mentally disabled mother, but who is otherwise extremely lucky. She and her mother are taken care of by their next door neighbor, Bernadette, after the two appeared at her door when Heidi was a newborn. Heidi has no information about her family, other than what her mother says through her 23-word vocabulary, including the word soof. Heidi sets out to discover her family's history and origins and travels on her own from Reno, Nevada to Liberty, New York to visit the group home in the photographs she discovered in her house.