8 books • 7 series
How Cell Processes Are Regulated (Britannica Guide to Cell Biology)
Progressive Leaders (Progressive Movement 1900-1920: Efforts to Reform America's New Industrial Society) (Primary Sources of the Progressive Movement)
Cell Regulation (Library of Cells)
Women Civil War Spies of the Union (American Women at War)
Primary Sources of World Cultures: Sets 1 - 3
Canada
Joe Dimaggio (Baseball Hall of Famers)
Hurricane Hunters and Tornado Chasers (Extreme Careers)