Lewis & Clark: The Journey of the Corps of Discovery (Signed by Both Authors) [signed] [first edition]

A fine copy in a fine unclipped dustjacket. This copy is signed by both Dayton Duncan and Ken Burns directly on the half-title page--signatures only--no inscriptions--no pasted in labels. A tight and clean copy in mint condition--in a likewise fine dustjacket. Protected by a new clear acrylic dustjacket covering. Stated first edition on the copyright page. An exhaustive look at the exploits of Lewis and Clark and the Corps of Discovery.