I bought this book shortly after being bombarded with numerous essay-style tests in several of my community college classes. I like this book because it gives exercises to do that are easy to follow, but they still take dedication. I think the best part of this book is that the exercises don't seem like more work! This is especially helpful for me because I'm constantly studying new material for school. This was easy to read even when I didn't have the right time to dedicate to it. My memory was definitely improved through studying this book for only one month!