Free online textbooks from Cambridge

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We are pleased to announce that free access to HTML textbooks is now available again and is being offered direct to Higher Education institutions. Access will be automatically arranged if you already have access to the current free reference collection, which includes Cambridge Histories, Cambridge Companions, and Cambridge Elements.

https://www.cambridge.org/core/what-we-publish/textbooks

 

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Purcell's electromagnetism
Kleppner and Kolenkow Introduction to mechanics

 

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note that textbooks tag is misleading and a lot of interesting graduate level material is just "books"

https://www.cambridge.org/core/brow...rchWithinIds=6619DDD9B6239C368C4E7FFF7509067E