Customer Review

Reviewed in the United States on July 24, 2015
This book is actually really helpful as long as you buy the book and not the kindle edition. There are all kinds of helpful assessments and tables, that don't show up correctly on a kindle. I ended up buying the book too.
223 people found this helpful
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4.7 out of 5 stars
4.7 out of 5
1,607 global ratings