A practical guide to improving your deviation score, themed around study methods. - Title: This is How I Got Hooked on Studying - Author: Sayaka, the real-life "Biri-gal" - Price: 1600 yen - Contents: Study methods - Themes: Motivation, strategy, practice, environment - Deviation Score Improvement: Raised deviation score by 40 points in one year Thank you for viewing. There is some soiling on the cover, but the inside is clean. There are no markings. Thank you.