There are two main problems with this study guide:1. The practice tests are not in the same format as the actual MAT that you will be taking today; 120 questions in 60 minutes. This is critical because half of the battle when taking the MAT's is learning how to pace yourself properly so that you have enough time to answer all of the questions on the exam and perhaps have some time at the end to review your answers to questions that you found tricky.2. The study content provided in this book is sometimes presented in a manner that is more complicated than it need be and I found that the Kaplan MAT guide was easier to understand, gave the user great MAT test taking strategy, had practice tests identical to the actual MAT, contained more content that was on the actual MAT exam that I took and overall prepared me so much better than the McGraw-Hill's MAT guide.