This entertaining and educational title helps familiarize young readers with land and sea measurements. From acres, to hectares, to nautical miles, the easy-to-read book offers engaging pictures and simple sentences to illustrate each type of measurement fully. In no time, young readers will be able to use each measurement system for themselves. Fun facts and a quick quiz give young readers additional reading and learning. Aligned to Common Core Standards and correlated to state standards. Sandcastle is an imprint of Abdo Publishing, a division of ABDO.