For those of you who are interested in Hiking and Trekking in Finland there is a good Online Service available from Metsähallitus where you can search the Topographic Map in Finland.

The Map is located here: - Metshallitus

Here is some information how to read topographic Maps:
HowStuffWorks "How to Read a Topographic Map"
How to Read Topographical Maps
Map Reading - A Free e-book on how to read topographic maps and use a compass