Anastasia Berg and Rachel Wiseman's 'What Are Children For?' addresses the ambivalence many people feel about having children, neither dismissing the hesitation nor simply encouraging reproduction. Berg and Wiseman, philosophers who met as graduate students, examine the various reasons people give for not having children, from environmental concerns to career priorities to doubts about whether the world is worth bringing new people into. They argue that these reasons, while often presented as practical calculations, reflect deeper uncertainties about the value of human life itself. The book traces how modern conditions have made childbearing a choice in ways it never was before, and how this freedom has produced new anxieties. The authors are critical of both pronatalist arguments that treat childlessness as selfishness and antinatalist arguments that treat reproduction as harm. Instead, they argue for recovering a sense of the 'fundamental goodness of human life' that neither ignores suffering nor makes continued existence contingent on justification. Readers wrestling with whether to have children will find their concerns taken seriously and their assumptions questioned, while those who have already decided either way may find their reasoning illuminated.