Swedish is a very wonderful language, even easier than English. And the book "Essentials of Swedish Grammar" even makes the study of the Swedish language even easier and faster.
If you believe in photographic memory, this book is will work for you. Not only that the book is easy to understand, it is also easy to memorize photographically.
As a student studying European Languages in the University, I would say that "Essentials of Swedish Grammar" is one of the best Grammar books I am using.
This book will surely help you in studying Swedish.
Happy reading and good luck to you all.