by Charles H. Hapgood; illustrated by Robert Eggers by Charles S. Strong; illustrated by Albert Orbaan by Frank H. Forrester; Illustrated by Robert Eggers. by Andrew Lang; illustrated by Robert Lawson by Carol Hoff; illustrated by Robert Todd by Charles G. Muller; illustrated by John Flynn by Marian T. Place, illustrated by Robert Bartram. by W. W. Tarn; illustrated by Robert Lawson by Charles L. Raddock; Illustrated by Clyde provonsha. by Charles Van Doren. Illustrated by Joseph Papin.