i thought the layout of graffeo was horriblePeople who are first time visitors to this forum. I also didn't know about CI books, I did know about Graffeo but I underused it the first time I took the test and Failed it. The best advantage to Graffeo is that the index is nicely organized to find how to solve problems based on key words you might not have seen before.
But didn't realize until months later the quality of this book as it had at least 5 identical problems on the exam that could not be found anywhere else i looked