I read "長岡先生の授業が聞ける高校数学の教科書数学 (考える大人の学び直しシリーズ)" by Mr 長岡亮介.

I read "長岡先生の授業が聞ける高校数学の教科書数学 (考える大人の学び直しシリーズ)" by Mr 長岡亮介.
Summary
A table of contents in this book
math of high school,s curriculum in japan," 数学1,2,3,A,B.C"

I comment about it.
This book is good,because I was explained about math of high school,s curriculum in japan by it.
Another good point,It exist accompanying DVD about it.
This is lecture on voice by Mr ryousuke nagaoka .
It is  easy to understand for me.
I study to use this book many times.