If it isn't, please let the admins remove it at once.
I did this booklet for my friends over at the Braille Scale discussion group.
It's available as a free download and has been downloaded over 11500 times.
I've made it as a PDF so it should be viewable on all computers.
Thanks for looking and sorry, didn't know where else to put it...
If you want to take a look at it you can download it here:
Alternate Download if you're on an iPhone: