Employing map and compass
A very good guide that leads you through all the important information and offers good advice
http://helenafirstassembly.org/rr/compass.htm

How to use a compass
An absolutely brilliant guide on how to use a compass by Kjetil Kjernsmo
http://www.learn-orienteering.org/

Compass Dude
An excellent website on all things compass
http://www.compassdude.com/

Land Navigation
Absolutely outstanding explanation of how to use a prismatic compass
http://landnavigation.org/

OA Guide to Map and Compass
A clearly laid out guide to using a compass
http://www.princeton.edu/~oa/manual/maptext.html

Spider Canyon - Maps/Navigation
A nice outline of how to use a compass with a map
http://www.spidercanyon.com/backiss/bimapnav4a.html

11th Shaw Scouts
Some excellent quality downloads
http://uk.geocities.com/scouts_11shaw

Choosing a compass
A good guide complete with pictures of good and bad compasses
http://cedar.forest.net/mountaineers/navigation/

Map and Compass Fundementals
A little technical and clinical in places but useful information all the same
http://www.impulse.net/~mlynch/land_nav.html

Orienteering lesson plans
Some useful information from teachers lesson plans
http://education.qld.gov.au/curriculum/area/maths/compass/html/orienteering/oract.html

Recta
How to use a compass
http://www.recta.ch/e/index.html

Scout Orienteering
A useful portal site to all things orienteering
http://www.scoutorienteering.com/

Silva
Perhaps the 'standard' compass...market leader
http://www.silvacompass.com/

Suunto
Company making some excellent compasses
http://www.suunto.fi

Terrax.org
Brief overview on the use of a compass includes a compass correction calculator and a compass game
http://terrax.org/geography/compass/compass.aspx

The Compass Activity page
A true or false quiz on the compass
http://www.janbrett.com/piggybacks/compass.htm

Using the compass-clinometer
A guide to using a compass and clinometer
http://www.ukescc.co.uk/products/compass.html

Compass use in Orienteering
Short outline on its use
http://www.williams.edu/Biology/Faculty_Staff/hwilliams/Orienteering/compass.html

Leisurely Backpacker
Brief overview on the use of a compass
http://www.leisurelybackpacker.com/a_compass.shtml

Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter, & GPS
Bob Burns & Mike Burns
The Mountaineers
ISBN: 0 - 89886 - 629 - 4

Compass & Map Navigator: The Complete Guide to Staying Found
by Michael Hodgson Paperback
Micheal Hodgson
Glassford Pub.
ISBN: 1570340439

Staying Found: The Complete Map & Compass Handbook
June Fleming
The Mountaineers
ISBN: 089886397X

Basic Essentials Map and Compass
by Cliff Jacobson Paperback
Cliff Jacobson
The Mountaineers
ISBN: 0762704810

Be Expert With Map & Compass : The Complete Orienteering Handbook
Bjorn Kjellstrom
ISBN: 0020292651

Using A Map And Compass
Don Geary
Stackpole Books
ISBN: 081172591X