Revised edition textbook that clearly explains the basics of high school mathematics. Available for immediate purchase. This is a used book, but it's still usable, so I'm offering it for sale to those who need it. There are no writings or tears, but since it's a personal inspection, there might be oversights. Although it's a used item, it has some signs of use, but it's in good condition. - Title: Easy High School Mathematics - Title (English): An Easy Introduction to High School Mathematics - Author: Hiroshi Kisaragi - Publisher: Gakken - Edition: Revised Edition - Series Name: Mathematics I-A Thank you for looking.