1951- anecdotes biography britishcolumbia colombie-britannique ecology fiction fire fireecology firefighters forestfires forêts incendies juvenileliterature largetypebooks leschak man-womanrelationships peterm photojournalists pompiersforestiers preventionandcontrol préventionetmaîtrise self-realization smokejumpers triangles(interpersonalrelations) unitedstates wildfires yellowstonenationalpark