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Title: Not worth it
Review: I honestly didn't find this book to be worthwhile to read. I actually find it a waste of time. The content was very repetitive and the examples are not that fascinating, except for the story about Lens Crafter and the guy whom he purchases business suits from.If you're looking for a simple, introductory book regarding differentiation, I would recommend this book. It has huge fonts and is pretty short. The content is also very simple and the examples are straight forward. However, if you're looking for an indepth book about differentiation, then I'd suggest you look for something else.
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