Pregnancy and parenting advice are treated as problems of evidence and risk in Emily Oster’s data-driven nonfiction. Expecting Better revisits questions about alcohol, caffeine, prenatal testing and other pregnancy advice by comparing risks rather than simply repeating standard rules. Cribsheet applies the same approach to infancy and early childhood, including feeding, sleep, childcare and developmental claims. The Family Firm moves into school-age family organisation and decision-making, offering a framework for choosing priorities rather than prescribing one ideal household. Oster’s prose is clear, analytical and often sceptical of conclusions based on weak studies, but the books are not substitutes for individual medical advice. The most useful neighbouring categories are They evidence-based parenting, pregnancy, family decision-making and popular statistics. Read more Less