You can find a paperback copy for under $12 with shipping, and the pdf version is widely available on the internet. The kindle version is purely a "I really want the kindle version" purchase.
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This is one that you can Google with filetype:pdf and it’ll come up immediately.
Literally shared from major universities, too!
It's still one of the best PL books. I learned C from it when I was 16, years before the web.
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