Is it possible to extract entire blogspot blog?

Is it possible to save/export/download/print/whatever all posts, including comments, from a blog into .pdf files?

I don't mean my blog, with access to dashboard, but any blog, the one I access as reader.

I'd like to preserve as .pdf and/or to print some blogs I have been reading for a long time; they all have thousands of posts, so opening and exporting posts one by one is not an option. Several of those blogs are at blogspot, and several on self-hosted WP.

Site scrapper such as HTTrack...

Is it possible to extract entire blogspot blog?

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