For years, scientists have been genetically modifying plants and animals to increase their potential as food, and the ethics of this have long been debated. Discussions about genetically modified organisms, GMOs, take place often on social media and in the news. Readers are prepared to take part in these discussions as they learn what genetic engineering is, how it is done, and what the future of GMOs looks like. They are also encouraged to think critically about the pros and cons of modifying genetics. Graphs, full-color photographs, sidebars, and annotated quotes from experts broaden readers' understanding of this controversial topic.