This is an instructional guide and not a novel so this is a long way out of my comfort zone.
Years ago I was a gamer and created my own worlds and even wrote short stories about the characters in that world. This book would have helped me a lot especially as it goes over the items that I had the most trouble with.
While not everything I can agree with you have to respect the convictionof the writing as well as how well it is handled.
To describe this book I will use one sentence.
This is a mist read book for those with very basic ability with characters