Check local libraries or online used-book marketplaces where you can buy physical copies of the textbook for a fraction of the retail price.

Here is a comprehensive look at why this book is so highly regarded, the risks of downloading unauthorized digital copies, and the best legal alternatives to help you ace your exam. Why Nihongo Sou Matome N4 Kanji is Essential

I can recommend a specific, safe study routine based on your timeline. Share public link

To help find the right tools for your study plan, let me know:

Your best bet is to explore websites that host free educational PDFs. Several have been known to host the Nihongo Sou Matome series. Here are the most promising leads:

Practice writing the kanji characters to understand their stroke order and structure.