When Meriwether Lewis, William Clark, and the "Corps of Discovery" left St. Louis, Missouri, on May 21, 1804, their mission was to explore the vast, unknown territory acquired a year earlier in the Louisiana Purchase. The travellers hoped to find a waterway that crossed the western half of the United States. They didn't. But their two-year journey finally brought them to the Pacific Ocean.

 

 

This book is part of a book series called What Was? .

This book is aimed at children at US 3rd grade-7th grade.

This book has been graded for interest at 8-12 years.

There are 112 pages in this book. This book was published in 2014 by Grosset and Dunlap .

Judith St. George has published dozens of successful nonfiction books for children, including the Caldecott Medal-winning So You Want to Be President? and the historical Turning Point series, including You're On Your Way, Teddy Roosevelt ; Stand Tall, Abe Lincoln ; and Take the Lead, George Washington . You can visit her online at www. judithstgeorge. com.