My Samoan Chief by Fay G. Calkins - autobiographical account of a young American woman's life in her Samoan husband's native home. 2nd hand but still readable.
Where we once Belonged by Sia Figiel - a story about Alofa Filiga who lives in the village of Malaefou in Samoa, growing up in the village.
Tusi Pese Fatuga Tuai a Samoa - a songbook of popular old Songs, Photographs and Proverbs of Samoa

Auction for the 3 books, happy reading if interested in Samoan culture.