Here is the hard truth: WorldCat is a metadata aggregator (a catalog of catalogs), not a file hosting site like PDF Drive or Library Genesis.
You are not alone. Millions of researchers, students, and bibliophiles search for a tool to "scrape" or "download" directly from WorldCat every month. worldcat.org downloader
The perfect download tool already exists—it is called your local librarian. And it is free. Disclaimer: This article is for educational purposes. Always respect copyright laws and the terms of service of WorldCat.org and your local library. Unauthorized scraping or hacking attempts may violate federal law. Here is the hard truth: WorldCat is a