Same here bro. What book are you using to study?
I actually have two books. The first book I'm working through is this one:
amazon.com/CompTIA-220-801-220-802-Authorized-ebook/dp/B00943SZ8I
This book is very text-bookish and can be a boring read, but it has a ton of information in it.
This is the other book I have:
amazon.com/CompTIA-220-801-220-802-Authorized-ebook/dp/B008K4TCW0
From what I've read of the Cram book, you should read another book first since it assumes you have a lot of base knowledge already. It kind of jumps into things like the Northbridge and Southbridge without really going into a lot of depth into what they are and how it relates to the computer. The first book is more like an 'encyclopedia' of computer topics, describing everything in a textbookish format, and this is more like a 'study guide'. It's more geared towards 'taking the test' than anything.
I'm considering about getting this one as well
amazon.com/CompTIA-Certification-220-801-220-802-ebook/dp/B008SA1I3W
From the sample I've read, this one seems the easiest to get into. I'd recommend this book as a first purchase, even though it's more expensive than the others.
Do I really need 3 books for the exam? Probably not, but it'll be better to have numerous sources for information just to be overly prepared rather than under.