is island of the blue dolphins based on a true story?
It is based on the true story of Juana Maria, a Nicoleño Native American left alone for 18 years on San Nicolas Island during the 19th century. Island of the Blue Dolphins won the Newbery Medal in 1961. It was adapted into a film of the same name in 1964. O'Dell later wrote a sequel, Zia, published in 1976.