num_pages: 0
description: Fourteen-year-old Riko manages to get her sister Sif and herself to their Pacific island home, where a scientist who falls in love with Sif discovers her connection with an underwater race.
language: English
title: My Sister Sif
titlecomplete: My Sister Sif
genres: Middle Grade, Australia, Animals, Childrens, Young Adult, Mermaids, Science Fiction Fantasy, Fantasy, Classics, Fiction
ratings_count: 394
publisher: Penguin Putnam~trade