I have written a tool[1] to backup blogs to pdf, you can use it to save Paul's essays first, and use some other tool[2] to merge those PDFs to one mobi file. [

I have written a tool[1] to backup blogs to pdf, you can use it to save Paul's essays first, and use some other tool[2] to merge those PDFs to one mobi file. [1]: https://github.com/jiacai2050/blog-backup https://github.com/jiacai2050/blog-backup [2]: https://superuser.com/questions/54041/how-to-merge-pdfs-using-imagemagick-resolution-problem https://superuser.com/questions/54041/how-to-merge-pdfs-usin...