The Story of Louis Riel: Excerpts from a Comic-Strip Biography
The excerpts on this and following pages come from Chester Brown's 
Louis Riel: A Comic-Strip Biography 
(Drawn & Quarterly Publications, Montreal, 2003).  The graphic biography is 270 pages long, and includes notes and an index. 
Time.com called Brown's unique book "a deeply personal, utterly compelling page-turner in the guise of a 19th-century history book."

Images republished with permission. 

Excerpts:
The Execution of Thomas Scott (1870)
Riel's Vision (1875)
Riel Approached for Help (1884)
Riel's Call to Arms (March 1885)
Riel's Trial Plea (July 1885)
Riel's Renounciation (November 1885)

The Trial of Louis Riel Homepage