in their own words Sullivan, George creator text New York Scholastic 2000 monographic 128 pages : 20 cm Recounts the story of the Lewis and Clark Expedition to explore the uncharted western wilderness, placing it in its historical context. T 790 Lexile S Raz-plus George Sullivan F592.S85 978.02 9780439095532 FISKH 20240430121312.0 2056 eng