Into the Unknown: How Great Explorers Found Their Way by Land, Sea, and Air

Ready to relive some of the most daring voyages of all time? Unfold these spectacular cross sections and explore fourteen historic journeys.

(Ages 8-13)

Open this dynamic book and discover how the greatest explorers in history — from Marco Polo to Neil Armstrong — plunged into the unknown and boldly pieced together the picture of the world we have today. With the help of masterful cross sections, dramatic storytelling, and sidebars that highlight key concepts, places, and t…