Passage: A dog's journey west with Lewis and Clark is an interactive activity book for young readers (8-10). This historically accurate book tells the story of the most famous expedition in American history through the eyes of Seaman, the 150-pound Newfoundland that accompanied the Corps of Discovery every step of the way. The format is a series of journal entries, and readers are encouraged to interact with the text by making predictions, asking questions, finding answers, and connecting the text to their own lives. Incomplete line illustrations allow readers to enhance their artistic skills. Robert Young is a longtime educator (30 years) and children's author (28 titles) who creates books that share information in an engaging way. This book addresses Common Core State Standards.