Sarah Weeks

After spending her life with her mentally retarded mother and agoraphobic neighbor, twelve-year-old Heidi sets out from Reno, Nevada, to New York to find out who she is. Living with her mentally disabled mother who only knows just over twenty words, young Heidi has learned to live in her special world until a new word is suddenly used and repeated by her mother; causing Heidi to think it might be a key to a secret past about which she knows so little....

All her life Aurora has heard stories about how wonderful and lucky Heidi is, and soon this paragon (now grown up and expecting a baby) will be visiting; but before she arrives part of their house is damaged in a fire, and worse, Aurora's beloved dog disappears--and while her parents have always believed in "soof" (Heidi's mom's word for love), Aurora, who has never really fit in with children her own age, will just have to find her own soof.

Based on the New York Times Best-selling novel, a young prodigy named Heidi has a lucky streak that has a way of pointing her in the right direction. When a mysterious word in her mother's vocabulary begins to haunt her, Heidi's thirst for the truth leads her on a cross-country journey in search of the secrets of her past. Some thematic elements.