Download or read book Worlds to Explore written by Mark Jenkins and published by National Geographic Books. This book was released on 2006 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This collection of 50 classic tales of travel and adventure from "National Geographic" magazine traces the growth of the National Geographic Society as it explored the unknown and brought it to readers eager for knowledge of "the world and all that is in it."