What is a democracy? How does Canada's goverment work? What's the difference between the Senate and the House of Commons? And just what does a Prime Minister do, anyway? Discover the answers to these questions and more in Our Great Prime Ministers . This Level 4 DK Reader will build reading skills and teach vocabulary while telling the story of Canada's government, how it is formed, how it works, and profiling 12 of Canada's Prime Ministers throughout history, including Sir John A. Macdonald, Louis St. Laurent, Lester B. Pearson, Pierre Trudeau, Stephen Harper, and more. Perfect for 9-11 year olds reading independently, reading becomes a fact-discovering adventure with these Level 4 readers. Supporting and encouraging a lifetime love of reading, nonfiction subjects are clearly explained, described vividly, and brought to life with true stories, fascinating statistics, and photographic images. Additional information boxes are full of extra fun facts, and topics are developed with additional maps and charts.