Sunbirth by An Yu– As the sun slowly begins to disappear, two sisters continue working and trying to survive when aliens with miniature suns in place of faces begin to arrive in their town.
The Hounding by Xenobe Purvis– Set in 18th Century England, the townspeople begin to suspect a group of sisters are turning into dogs.
My Sister and Other Lovers by Esther Freud– Two sisters with very different personalities come of age and remain bonded by their love for each other, despite living drastically different lives.