"The Slap" is a novel by Christos Tsiolkas that explores the complexities of modern Australian life through the lens of a single event. The story begins at a barbecue where a man slaps a child who is not his own, leading to a series of repercussions that affect the lives of several characters. Each chapter is told from a different perspective, revealing their thoughts and emotions about the incident. The novel delves into themes of parenting, morality, and cultural differences, highlighting the tensions within a diverse society. It raises questions about personal responsibility and the impact of one moment on the lives of many, making it a thought-provoking read.