As far as I know, there is no one singular book to the affect that is worth getting, but there are books out there that deal with designs and certain meanings that they have. The first that comes to...
The following might help:
The Beaver, The Maple tree. The Maple Leaf. The Maple Leaf Flag, The Maple Leaf Gold Coin, The Tartans of Canada, The Creole and the French Language, and The Royal Canadian...