Go inside the mind of one of the most intelligent animals on Earth. Learn more about dolphins, how they use their cleverness to survive, and how they are astonishing scientists with their surprising smarts. Complete with well-researched, clearly written informational text, primary sources with accompanying questions, charts, graphs, diagrams, timelines, and maps, multiple prompts, and more. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.