The Boston Globe on Jeffrey Kluger’s “entertaining, insightful” The Sibling Effect

“The science of siblings is well overdue for this kind of attention,” writes the Boston Globe’s Kate Tuttle. “[The Sibling Effect is] never less than interesting, especially to those of us who grew up with siblings or are raising them now, and when Kluger turns to his own band of brothers, the book gains depth and emotional resonance.”