I checked the pages and found that there are direct writings and markings on 3 pages out of a total of 223 pages. Please understand that there may be oversights as this is a casual inspection. Please purchase only if you understand this. Title: Juku de Oshieru Koukou Nyushi Suugaku Juku Waza 100 (Mathematics for High School Entrance Exams Taught at Cram Schools: Juku Techniques 100) Author: Keiji Mori Publisher: Bun'eido Co., Ltd. Price: 2,200 yen (tax included) #KeijiMori #Keiji_Mori #book #nature/mathematics #junior high school #mathematics #reference book #workbook #high school entrance exam #high school entrance #Sigma Best #ΣBEST