Read the passage from a research paper on improving sibling relationships. Strengthening Sibling Relationships Parents can nurture sibling closeness by encouraging cooperation. When brothers and sisters work together to complete a chore, mutual appreciation is gained from the effort. Each one benefits from the other’s strengths (Vera 227). Works Cited Dunn, Clara. Sibling Rivalry. Toronto: Modern Press, 1999. Print. Ramirez, Ana. Examining the Family Dynamic. New York: Prestige Publishers, 2011. Print. Thornton, Davis. Brothers, Sisters, Friends. Boston: Society Press, 2002. Print. Vera, Nikko. Sibling Relationships. Providence: Union House, 2007. Print. Which book does the author use in this passage? Sibling Rivalry Examining the Family Dynamic Brothers, Sisters, Friends Sibling Relationships