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If you need it for long-term study, used physical copies are often available for very low prices on AbeBooks or ThriftBooks .
Cybersecurity experts call this "Search Engine Poisoning"—hackers optimize fake download pages to rank high for textbook-related keywords. Always check the URL. Legitimate educational sites end in .edu , .gc.ca , or are recognized commercial domains like .oup.com . Any site offering "free PDFs of current textbooks" is almost certainly a scam. sightlines 7 textbook pdf