“This system is an easy way to test your knowledge and correct your thinking in fast, simple, non-time consuming manner every day.
I like the explanations provided for each answer. I wish there were references or links to learn more if there is an interest. The links that were provided for some answers connected me to a book for sale.”
“Only had it two weeks, but the questions and explanations are of high quality so far. Feel like I got lucky with the PA week discount price deal. Thank you.”
