National Geographic : 1912 Mar
The Greatest Gift to Growing Minds Answers Every Question a Child Can Ask What is electricity? How does a camera take a picture? Why is iron colder than wood? What makes coal burn? Why has a starfive points? Why do we dream? What makes the heart beat? Is there gold in the sea? Why does a match strike? Where did the water in the oceans come from? Under the Spell 15 Great Departments of Knowledge The United States and All Other Countries Natural History Plant Life Stories and Legends Men and Women Our Own Life Book of Wonder Famous Books The Earth Poetry and Rhymes School Lessons Golden Deeds FamiliarThings Things to Make and Do The Book of Knowledge The Children's Encyclopaedia Simplicity the Secret It is a great achievement to arrange the important and essential knowledge of the world in such a comprehensive scheme, and tell it in such simple language that the mind of a child might not only grasp it, but enjoy it and remember it. It is this simplicity of style and statement, coupled with sound learning, which is the secret of the success and usefulness of THE BOOK OF KNOWLEDGE, not only to children, but also to adults, especially those who have not been able to complete their training in the schools and colleges. PresidentJohn H. Finley of the College of the City of New York, in his introduction, says: "Suppose a boy often were to spend fifteen minutes a day in reading these pages, . . . he would at thirteen know more about the earth andthe life on it than the wisest men knew afew generationsago." The Most Profitable Investment We expend time and care in selecting the proper food for the growing body, because we realize that it is a profitable investment, but it is equally important and imperative that the growing mind should have the food which will stimulate its rapid and healthy development, and it is the most profitable investment. Let the children, especially between the ages of five and eighteen, read THE BOOK OF KNOWLEDGE, and study the wonderful educational pictures, and you will be surprised and delighted with the results. It means a saving of time and money, better work in the school and happier children in the home. 10,000 Wonderful Pictures! 350 Colored Plates THE BOOK OF KNOWLEDGE will never be surpassed in the value of its educational pictures; pictures of the starry universe, The Sun and His Family of Worlds; pictures of animals, foreign and familiar; pictures of flowers, trees and shrubs; charts and diagrams of our own marvellous bodies; por traits of famous men and women, artists, authors, statesmen and scientists; pictures of our own country and a hundred other countries, showing the cities, the people and their customs; reproductions of beautiful paintings and sculpture; the picture-story of important industries; the whole beautiful, wonderful world is before us in nearly Io,ooo pictures, which tell a story or illustrate a fact in a way that can never be forgotten. Let the Children Decide They will be delighted with the beautiful illus trated booklet mailed free, giving the contents of the 15 Departments of Knowledge -The valuable pamphlet, "THE MIND OF A CHILD," also presented. Mail Coupon for TWO FREE BOOKLETS The Grolier Society, 2Wst45t Street, y, New York U The Press, the Pulpit, the People Endorse It FREE COUPON THE GROLIER SOCIETY, 2 West 45th Street, New York: Please mail me descriptive booklet of THE BOOK OF KNOWLEDGE, and pamphlet "THE MIND OF A CHILD." NAME............................. . .................... ADDRESS............................................... 4 Not necessary to cut coupon if you mention The Geographic "Mention the Geographic-It identifies you."