It has been a long time since I last used a map and compass, and a recent unplanned detour from a well trodden path in the hills reminded me just how rusty my skills were when I needed them most! As such, I decided I needed to to brush up on what I initially learned on an orienteering course about 25 years ago.
This book was just the ticket. It is clear and concise, with good diagrams, and everything I had previously learned soon came flooding back to me... plus I picked up a few extra tips that I was previously unware of.
I still believe that map and compass skills are probably best learned (and remembered) when undertaken in a group environment (plus it's far more enjoyable learning in the pub with friends) but with a little practise, I see no reason why a complete beginner couldn't grasp the basic skills from the book.
A quick tip... the book suggests that if you can't remember map symbols, you can cut out a map key from your map and cover this in plastic for use during your walk. I thought this was a great idea, but did not want to destroy my map. I was planning on scanning a copy of the key using my PC instead, but I have subsequently discovered that you can download map keys for Ordnance Survey maps in A4 format from the OS website (they're very handy!). If you are a teacher, or learning as part of a group, you can also download teaching/show cards for students there. For more info, visit the Ordnance Survey website, click on the 'Education' section and then 'Teaching Resources'.
In summary, whether you are a map and compass newbie or just a bit rusty, this book should meet your requirements.