The Sibling EffectThe Sibling Effect

In this groundbreaking book, renowned science writer Jeffrey Kluger explores the complex world of siblings in a way that is equal parts science, psychology, sociology, and memoir. Based heavily on new and emerging research, The Sibling Effect examines birth order, twin studies, genetic encoding of behavioral traits, emotional disorders and their effects on--and effects from--sibling relationships, and much more.--From publisher description.