If you are looking to preview the content before purchasing, the following community-uploaded versions are currently hosted on document-sharing sites:
"Hey fellow manga enthusiasts! I'm looking for a PDF link to Hirohiko Araki's 'Araki Manga in Theory and Practice.' Has anyone come across a reliable source for this? I'd appreciate any suggestions or alternatives to access this valuable resource."
You can find digital versions and previews of the book through several online repositories:
Here's a post that might help: