Being a sensational survivor is just one of the things that make emperor penguins superstars! Did you know emperor penguins can hold their breath underwater for up to 22 minutes or that their feathers are waterproof? This fact-packed title with high-impact visuals, including maps and infographics, will keep kids engaged as they learn all about emperor penguins. Aligned to Common Core Standards and correlated to state standards. Super Sandcastle is an imprint of Abdo Publishing, a division of ABDO.