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Reviews (11)
19 November 2017
Very nice product
I love it. Very fast delivery. And the value of the product is great.
26 July 2016
A lot of details
Good book. So much details in such little book. Totally worth it. I have to take more time on math and writing. You can also review video on their website for further explanation for each subjects that you don't quite understand by just reading in the book too.
07 June 2017
Alright but not great
Doesn't work that great but I do like the minty taste of it. Refreshing!