ISBN-13: 9780230605978 / Angielski / Miękka / 2008 / 268 str.
In this compelling narrative Piontelli explores the different roles that twins play in societies around the world. In her travels around the world, Piontelli has studied the role of twins, especially throughout Africa, Asia, South America, and the Pacific rim, observing different cultural perspectives and how differing societies treat them.