This is the 4448th most frequent German word.
kanadischen
"Kanadischen" means "Canadian" (adjective form).
In this sentence, 'kanadisches' describes the origin of the book, specifically from Canada.
Ich habe heute ein kanadisches Buch gelesen.
I read a Canadian book today.
Here, 'kanadischen' qualifies the noun 'Rockies,' indicating that they are located in Canada.
Die kanadischen Rockies sind ein wunderschönes Reiseziel.
The Canadian Rockies are a beautiful travel destination.
In this case, 'kanadische' specifies the national affiliation of the coin being Canadian.