World of Maps -- www.worldofmaps.com
Topographical maps for Canada.
Retail, mail order or online.

Federal maps -- www.fedmaps.com
Retail and wholesale maps of Canada
Topo maps

Neriusaaq Bookstore -- www.greenbooks.dk
A helpful bookstore in East Greenland.
Books, maps and charts for East Greenland and free advice on travel to Greenland.

Atuagkat Bookstore -- www.atuagkat.gl
A source for books on Greenland.