Michael Moss reveals how food companies engineer products to be irresistible, using precise formulations of salt, sugar, and fat that exploit biological vulnerabilities. Moss, a Pulitzer Prize-winning journalist, gained access to food industry insiders who explained how products are optimized for what manufacturers call the 'bliss point'--the exact concentration of sugar that maximizes craving--and how salt masks flavors that would otherwise be unpalatable. The book examines specific companies and products: how Lunchables were designed to appeal to children's desire for control, how convenience foods replaced home cooking by exploiting time pressures, how tobacco companies brought their addictive expertise to food products they acquired. Moss documents internal research showing companies knew their products contributed to obesity and diabetes but suppressed findings and resisted reform. He profiles industry scientists who have become critics and executives who recognize the problem but feel trapped by competitive pressure. The book connects corporate decisions to public health crisis, showing how individual willpower is overmatched by industrial engineering. Moss writes narrative journalism that makes food science accessible while building an indictment of an industry that profits from addiction. The book has influenced both public opinion and regulatory debate about processed food.