book: refresh and link to the ePUB, PDF versions

_book.html

@@ -22,36 +22,33 @@
  everyone in this, from the casual first-time users to the experienced
  libcurl hackers.
 <p>
- Everything curl is written by Daniel Stenberg but is also itself an open
- project that accepts your contributions and help.
+ Everything curl is written by Daniel Stenberg but is an open project that
+ accepts your contributions and help. The book is constantly updated.
 <p>
  <a href="https://everything.curl.dev/">
  <img style="margin: 0px 0px 20px 20px;" align="right" width="305" height="400" border="0" src="pix/everything-curl.jpg" alt="Everything curl"></a>
 
-<p>
- <table>
-<tr><td>Author:</td><td>Daniel Stenberg</td></tr>
-<tr><td>Pages:</td><td>250+ (in the PDF and physical versions)</td></tr>
-<tr><td>ISBN:</td><td>978-91-639-6501-2</td></tr>
-<tr><td>Github:</td><td><a href="https://github.com/bagder/everything-curl">bagder/everything-curl</a></td></tr>
-<tr><td>Gitbook:</td><td><a href="https://app.gitbook.com/@curl-1/s/everything-curl/">everything-curl</a></td></tr>
-</table>
-
 SUBTITLE(Read it here)
 <p>
-  <a href="https://everything.curl.dev/">Web version</a>
+ <a href="https://everything.curl.dev/">Web version</a>
 <p>
- To get a PDF version downloaded, select "export as PDF" in the top right menu of the web version.
+ <a href="https://daniel.haxx.se/everything-curl/">ePUB, PDF add offline HTML
+ versions</a> are available. The PDF is at some 550 pages.
 
-SUBTITLE(Buy a print version)
-<p>
- You can buy the 2018 Edition, 250-page printed paperback version of the book
- directly from
- <a href="https://telarity.com/~dan/forsale/books.html">Dan Fandrich</a>.
+SUBTITLE(Book source)
 <p>
- The price is US$25 including shipping within the US and Canada, slightly more
- outside; see the site for exact details.
+ The book sources and contents are hosted
+ on <a href="https://github.com/bagder/everything-curl">Github</a>.
 
+SUBTITLE(A printed version?)
+<p>
+ You could previously buy the 2018 Edition, a 250-page dead-tree printed
+ paperback version of the book (ISBN 978-91-639-6501-2). The printed version
+ is sold out since a long time back and there has been no further efforts to
+ make additional editions available.
+<p>
+ Perhaps it will happen again in the future.
+
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