Object Lessons is a series of short, beautifully designed books about the hidden lives of ordinary things. Glitter reveals the complexity of an object often dismissed as frivolous. Nicole Seymour describes how glitter’s consumption and status have shifted across centuries—from ancient cosmetic to queer activist tool, environmental pollutant to biodegradable accessory—along with its composition, which has variously included insects, glass, rocks, salt, sugar, plastic, and cellulose. Through a variety of examples, from glitterbombing to glitter beer, Seymour shows how this substance reflects the entanglements of consumerism, emotion, environmentalism, and gender/sexual identity. Object Lessons is published in partnership with an essay series in The Atlantic.