MSA Year Book
The MSA Year Book, commonly referred to as The Blue Book is an annually published and regularly revised set of rules for motorsport in the UK.
The following is a list of equivalent rule books around the world
Republic of Ireland
The equivilent in the Republic Of Ireland is known as the Green Book.
http://www.msauk.org/site/cms/contentviewarticle.asp?article=1122 - The Blue Book, online.