An American Spring: Sofia's Immigrant Diary, Book Three is twenty-first and final book in the My America series as well as the last to feature Sofia Monari. It was published in May 2004 and was written by Kathryn Lasky. The book was preceded by Home at Last in November 2003.
"The North End of Boston, Massachusetts, 1903 Sofia's story continues... In Book One, Sofia and her family arrive at Ellis Island. In Book Two, they begin their new lives as Americans in Boston. Now, Sofia is joined by her best friend, Maureen. Together they welcome new adventures as springtime comes to the North End of Boston."