Presents brief biographies of the Norse explorer who settled Greenland and of his son who explored parts of North America almost 500 years before Columbus made

"Originally published in 1941 by Doubleday, Doran & Co., Inc."

Over 1 million sold in series! While visiting Mr. Whittaker at Whit’s Soda Shoppe, Beth and Patrick find a mysterious letter in the Imagination Station reques