[June 2nd is 'Rubi Day'] A First in Japan? 'Total Rubi' New Book 'Does Furigana Improve Academic Ability?' to be Released June 24th

Poplar Publishing Co., Ltd. will release the new book 'Does Furigana Improve Academic Ability?' (authored by Oki Matsumoto) on Wednesday, June 24, 2026. It is said that the reason junior and senior high school students stumble when 'skimming' and why adults give up on reading technical books is largely because they 'cannot read' the characters. If you know how to read them, you can look up the meaning, but if you cannot read them in the first place, you cannot learn. An environment where you can freely read what you want expands knowledge and accelerates learning. However, the use of furigana has been declining in recent years. Therefore, this book unravels this mystery and conveys the relationship between furigana and academic improvement. It also includes special dialogues with Tsutomu Nomizu, Principal of Kaisei Junior and Senior High School, and Teruo Fujii, President of the University of Tokyo. Additionally, an online flash sale will be held on the YouTube channel 'Yurindo Shika Shiranai Sekai' on Tuesday, June 9th, featuring 5,000 limited copies with original book covers.