Amazon Japan: Sometimes, direct purchase from Amazon Japan can be the easiest way to get specific Japanese study materials. You can search for "Shin Kanzen Master N3 Grammar" on Amazon Japan.
Bookstores in Japan: If you're in Japan, large bookstores like Maruzen or Kinokuniya usually carry a variety of study materials for Japanese language learners.
Create a flashcard for every single example sentence in the book. Format: shin kanzen master n3 grammar pdf
Front: 彼は遅刻し__だ。(~tends to) Back: 彼は遅刻しがちだ。
If you are using a PDF, copy-paste the sentence. If using the physical book, type it manually (better for retention). Official Sources and Bookstores
Try these exact search strings:
"Shin Kanzen Master N3 Grammar" filetype:pdf"新完全マスター文法 N3" pdf"SKM N3 Grammar" scanAdd reddit to find recent links (Reddit users often share Mega/Google Drive links in r/LearnJapanese or r/Nihongo). Amazon Japan : Sometimes, direct purchase from Amazon
Textbook: Shin Kanzen Master N3: Grammar (新完全マスター N3 文法) Publisher: Sougengo Kenkyuusha (Three A Network) Target Level: JLPT N3 (Intermediate / Bridge level)