The Eskimos Knew Author:Tillie S. Pine and Joseph Levine Color pictures by Ezra Jack Keats — This is a colorful picture of life in the cold lands of the North long ago and at the same time shows us how science helped the Eskimos to solve the problems of everyday living - and in the same way helps us today. — For instance, the Eskimos knew how to get fresh water from salty sea water, they knew how to bui... more »ld waterproof boats, and they knew how to keep food from spoiling.
The authors tell about many more, explain how we still use the principles today, and give an experiment to show each in operation.« less