You can find George Ohsawa’s books in PDF format, like Library Genesis and Z-Library. However, due to ongoing copyright, the ethical and legal best practice is to borrow from the Internet Archive’s controlled lending or purchase used physical copies. For free, legal material, start with the George Ohsawa Macrobiotic Foundation’s official website , which hosts a small number of out-of-print texts and essays.
often host articles and condensed versions of his teachings in PDF format. Scribd & Academia.edu: george ohsawa books pdf