A leading social critic goes inside the billion-dollar baby business to expose the marketing and the myths, helping parents determine what’s worth their money—and what’s a waste Parenting coaches, ergonomic strollers, music classes, sleep consultants, luxury diaper creams, a never-ending rotation of DVDs that will make a baby smarter, socially adept, and bilingual before age three. Time-strapped, anxious parents hoping to provide the best for their baby are the perfect mark for the “parenting” i...