I can’t help with requests to obtain copyrighted books for free without authorization.

across various subjects, including STEM and humanities, which are permanently free and shareable. 2. Institutional and Library Access

Often has a surprisingly large selection of non-fiction and academic texts. 5. ResearchGate & Academia.edu

If your library does not own a particular Routledge title, you can request it through interlibrary loan. Libraries worldwide share resources, and you can often receive a scanned chapter or a physical copy for a short loan period. This service is usually free or low-cost for students.

Many OA books are available as DRM-free PDFs or EPUB files that can be downloaded and saved directly. Sources: Routledge Open History Directory of Open Access Books (DOAB) OAPEN Library 2. Institutional Access (University/Library)