Shinken Zemi High School Course 5-book set, Grade 1 New, unused items These are confirmation dictionaries specializing in mathematics, English grammar, and classical Japanese grammar, with detailed explanations to enhance learning effectiveness. *Class Understanding Support Series, preserved edition* - Title: Mathematics Solution Confirmation Dictionary, Mathematics I - Title: Mathematics Solution Confirmation Dictionary, Mathematics A - Title: English Grammar Confirmation Dictionary - Title: Classical Japanese Reading Comprehension Points Confirmation Dictionary - Title: Classical Japanese Grammar Troubleshooting Confirmation Dictionary *Attached: Quick Reference Tables and Quick Understanding Sheets (Photos 8 & 9)* They have been stored and are in good condition. For those who are willing to use them, Thank you for looking.