_PARTIAL LIST OF SPECIAL CONTRIBUTORS_ JOSEPH H. ADAMS, Editor of "Harper's Practical Books for Boys" T. GEORGE ALLEN, Curator of the Oriental Museum, University of Chicago MARY W. ARTOIS, Traveler and Writer ROGER W. BABSON, Author of "Central America" GRACE GERTRUDE BARDEN, Teacher of Domestic Science HARRY K. BEASLEY, Electrical Engineer and Author C. S. BRAININ, Ph.D., Professor of Astronomy, Columbia University M. ALSTON BUCKLEY, Retold Tales and Fact Articles FRANK H. CHELEY, Editor of the "Father and Son Library" LAURA CLARKE, Author of Fact Articles CARL HARRY CLAUDY, Author of "First Book of Photography" JOHN H. CLIFFORD, Associate-Editor of "The Young Folks' Treasury," "The Mother's Book," etc. CLAYTON S. COOPER Author of "Understanding South America" LEE S. CRANDALL, Curator, New York Zoological Park WALTER ALDEN DYER, Author and former Managing Editor of _Country Life in America_ WILLIAM H. EASTON, Ph.D., Publicity Department of the Westinghouse Electric and Manufacturing Co. ARTHUR ELSON, Musical Critic and Author of "The Book of Musical Knowledge" PHILIP D. FAGANS, Executive Secretary of the Woodcraft League JOHN CLARKE FARBER, A.M., Lieutenant, United States National Army LOUISE MAUNSELL FIELD, Fiction Reviewer of _The New York Times_ EHRMA G. FILER, Fact Articles HUGO FROELICH AND BONNIE E. SNOW, Authors of "Industrial Art" textbooks JULIA A. GLEASON, Teacher of Sewing, Cornell University WILLIAM ELLIOT GRIFFIS, D.D., L.H.D., Lecturer and Author ISABEL F. HAPGOOD, Author of "Russian Rambles" HILDEGARDE HAWTHORNE, Author and Critic ROSE HENDERSON, Biographer and Travel Writer HENRY WALTON JONES, Fact Articles GRACE LEE KNELL, Teacher of Manual Training, Ridgewood, N.J., Schools O. IVAN LEE, Analytical Chemist CHARLES HENRY LERRIGO, M.D., Former President of the Kansas State Board of Health HARRIS W. MOORE, Author of "Manual Training Toys" JOHN T. NICHOLS, Curator of Fish at the American Museum of Natural History T. GILBERT PEARSON, Executive Secretary of the National Association of Audubon Societies E. L. D. SEYMOUR, Farm Editor of _Country Life_ MORGAN SHEPARD (JOHN MARTIN), Writer of Illustrated Letters to Children ROBERT W. SHUFELDT, M.D., U.S.M.C., Head of the Science Bureau, Washington, D. C. ELVA S. SMITH, Children's Librarian of the Carnegie Library, Pittsburgh MABELL SHIPPIE CLARKE SMITH, Author and Lecturer MARY V. WORSTELL, Author, Editor, and Lecturer KATHARINE S. WORTHINGTON, Teacher of English in the Finch School _PARTIAL LIST OF AUTHORS REPRESENTED_ IN THE BOYS AND GIRLS BOOKSHELF BY SELECTIONS FROM THEIR WRITINGS FREDERICK UPHAM ADAMS, Mechanical Engineer and Author ROALD AMUNDSEN, Leader of the Norwegian Polar Expedition which reached the South Pole