Walk Two Moons is a novel written by Sharon Creech

Sharon Creech

Sharon Creech is an American novelist of children's fiction.-Biography:Sharon Creech was born in South Euclid, Ohio, a suburb of Cleveland, where she grew up with her parents , one sister , and three brothers...

 and published in 1994. It won the 1995 Newbery Medal

Newbery Medal

The John Newbery Medal is a literary award given by the Association for Library Service to Children, a division of the American Library Association . The award is given to the author of the most distinguished contribution to American literature for children. The award has been given since 1922. ...

. It was originally intended as a follow-up to Creech's previous novel Absolutely Normal Chaos

Absolutely Normal Chaos

Absolutely Normal Chaos is a novel for older children and young adults published in 1990 by the Newbery Medal-winning Sharon Creech. It is written in journal format and can be classed as a bildungsroman.-Plot:...

, however, the idea was changed after Creech began writing.
The novel is narrated by a 13 year old girl named Salamanca Tree Hiddle (Sal). Sal's mother has recently left Sal's father, and Sal's grandparents are taking her on a cross-country car trip to Lewiston, Idaho

Lewiston, Idaho

Lewiston is a city in and also the county seat of Nez Perce County in the Pacific Northwest state of Idaho. It is the second-largest city in the northern Idaho region, behind Coeur d'Alene and ninth-largest in the state. Lewiston is the principal city of the Lewiston, ID - Clarkston, WA...

 to see her.