You will have seen that Canadian paperback publishers did very little directly for the war effort. But the US and British publishers' efforts did help their allies, the Canadian Armed Forces.
The Armed Services Editions is the best known US series. They were published over 46 months from September 1943 to June 1947. Here are four from December 1945.
ASE 952 back
ASE 954 back
ASE 949 back
ASE 951 back