While Hunnicutt's Sherman is definitively the definitive book on Shermans, you may want to look for the books published by our own Clive Law when looking for more info on their use by the Canadian Army.
I have not read them myself (yet), so here are links to reviews:
The Sherman in Canadian Service:
http://www.perthmilitarymodelling.co...wow/wow002.htm
The Postwar Sherman in Canadian Service:
http://www.perthmilitarymodelling.co...ow/wow036.html