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I am now halfway reading and practicing this book and have to admit that my drawing skills did improve a lot. It does take some time learning to handle a pencil fluiantly, but when you are determined and not give up, you will become a good drawer. In al a great book with many examples to practice. I recommend this book to everyone.
If you want to learn anything about drawing,don't rely on this book. The book is just full of objects to draw, with very little guidance of how to go about it. Also the diagrams are ridiculously small.