Yes, I think that there is.

When I was first starting to look at the code I used the CEC because I was in a different province. I found it real helpful to have a copy of the CEC Simplified (Illustrated) Code Book for reference. I know that you are using the OESC but it is very similar to the CEC. Maybe the OESC has one similar. There are also other illustrated books out there, I think that Knight has one, that one is good also because he gives real life examples in it. If I were you I would get a hold of any of these books (perfer the CEC). I still learn things everyday but alongtime ago these books helped me understand things better. That and asking other people with lots of experience, don't take everything that people say as being true, I would always cross reference it to the code book just to make sure.