What's the most important holiday in India? It's Diwali! This celebration is also known as the festival of lights. Learn what people do to celebrate this special holiday. Full-color photographs illustrate the beauty of the event, and carefully leveled text provides key facts. Age-appropriate critical thinking questions help readers delve more deeply into the information and understand what makes this holiday unique. Charts/Graphs/Diagrams, Free Online Content, Full-Color Photographs, Index, Photo Glossary, Table of Contents.