Do you know what a group of islands is called? It's an archipelago. This book explores islands in all their forms, with a focus on Next Generation Science Standards. Readers learn how islands and archipelagos are formed by nature and also made by humans. Full-color pictures transport readers across oceans from one famous island to the next. Nonfiction text features, including a glossary and an index, support Common Core standards for early elementary instruction. Children will love learning about this important earth science topic.