Therefore, any website today claiming to offer a "Rapidshare link" for a textbook is, at best, hosting completely dead links from a decade ago. At worst, these sites are operating as honeypots designed to lure users into clicking malicious advertisements, downloading malware, or surrendering personal information through deceptive surveys. The Dangers of Searching for Free Textbook PDFs

If you have any more specific information about the book, such as the publisher or publication date, it may help me narrow down the search.