You can save the maps on your computer to check them anytime and entirely.
EDIT by ShadowBlade - Be sure to click on the pictures below so that you can see the full maps!
EASTERN LANDS OF MYST
MIDLANDS OF MYST
MARSHLANDS OF MYST
OLD LOCH
GREY CAVE
FESTINA
ALCHEMY HOUSE
TOY SHOP
BOGOBAKA
CRYPT
THIEVES DEN