I got the recommendation here in HN and I used the book with my 2 daughters. I started with my first daughter when she was 4.5 years old. I started with my second daughter at an older age because she was showing a slight case of dyslexia. It took 2 years to finish the book with each of them. After they were done they could read everything. My second daughter is 9 and is almost done with Oliver Twist.
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