To be fair, I also found the topic about as much fun as eating dry weet-bix. I studied most of my CPL theory in a classroom and had a very good teacher for the subject, so I came out with a reasonable mark. I self studied for the ATPL exam.
As Wally/Tarq57 says, 90% of what you eventually know is experience/local knowledge, combined with a few pages of the AIP/rule books.
There's not really an easy way around the exam mate. Find a quiet place sit down and learn what you need to know to pass it. Its the tip of a fairly big iceberg.