diff --git a/.reuse/dep5 b/.reuse/dep5
index 5c3e72a..3d94d06 100644
--- a/.reuse/dep5
+++ b/.reuse/dep5
@@ -3,7 +3,7 @@ Upstream-Name: notes
 Upstream-Contact: Heiko Schaefer <heiko@schaefer.name>
 Source: https://codeberg.org/openpgp/notes
 
-Files: book/assets/* book/source/img/*
+Files: book/assets/* book/source/img/* book/source/_static/epub/img/* book/source/_static/html/img/*
 Copyright: 2023  The "Notes on OpenPGP" project
 License: CC-BY-SA-4.0
 
diff --git a/book/Makefile b/book/Makefile
index 865650e..d4b9822 100644
--- a/book/Makefile
+++ b/book/Makefile
@@ -46,7 +46,7 @@ html: convert-svg
 	@$(SPHINXBUILD) -M html "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
 html-linkcheck: clean html
-	@$(LYCHEE) "$(BUILDDIR)/html/"*.html
+	@$(LYCHEE) --exclude "https://openpgp.dev*" --exclude "https://codeberg.org/openpgp/notes" "$(BUILDDIR)/html/"*.html
 
 # use watchexec to rebuild the HTML whenever a markdown file changes
 html-watch:
diff --git a/book/source/_static/epub/img/cover.svg b/book/source/_static/epub/img/cover.svg
new file mode 100644
index 0000000..5bc03b0
--- /dev/null
+++ b/book/source/_static/epub/img/cover.svg
@@ -0,0 +1,263 @@
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new file mode 100644
index 0000000..b888225
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diff --git a/book/source/conf.py b/book/source/conf.py
index 9c10089..48e0bb7 100644
--- a/book/source/conf.py
+++ b/book/source/conf.py
@@ -6,12 +6,20 @@
 # For the full list of built-in configuration values, see the documentation:
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
 
+from datetime import date
+
 # -- Project information -----------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
 project = 'OpenPGP for application developers'
-copyright = '2023, The "Notes on OpenPGP" project, CC-BY-SA-4.0'
-version = "0.01"
+author = 'The "Notes on OpenPGP" project'
+upstream_url = "https://codeberg.org/openpgp/notes"
+license_url = "https://creativecommons.org/licenses/by-sa/4.0/"
+copyright = f'{date.today().year}, <a href="{upstream_url}">{author}</a>, <a href="{license_url}">CC-BY-SA-4.0</a>'
+version = "0.1"
+suppress_warnings = [
+    'epub.unknown_project_files',
+]
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
@@ -29,6 +37,9 @@ numfig = True
 # number figures in flat hierarchy
 numfig_secnum_depth = 0
 
+# format today as YYYY-MM-DD instead of language specific
+today_fmt = "%Y-%m-%d"
+
 # -- Options for MyST-parser -------------------------------------------------
 # https://myst-parser.readthedocs.io/en/latest/configuration.html
 
@@ -45,9 +56,12 @@ myst_enable_extensions = [
 # -- Options for EPUB output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-epub-output
 
+epub_copyright = f'{date.today().year}, {author} ({upstream_url}), CC-BY-SA-4.0'
+epub_cover = ('_static/epub/img/cover.svg', 'cover.j2')
 epub_css_files = [
     'epub/css/custom.css'
 ]
+epub_title = project.replace(" ", "_")
 
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
@@ -58,13 +72,19 @@ html_css_files = [
     ('html/css/custom.css', {'priority': 1000})
 ]
 
+html_favicon = '_static/html/img/favicon.ico'
+html_logo = '_static/html/img/logo.svg'
 html_show_sphinx = False
-html_show_copyright = False
 html_show_sourcelink = False
+html_title = project
 
 # https://github.com/sphinx-doc/alabaster/blob/0.x/alabaster/theme.conf
 html_theme_options = {
     'code_font_size': '9pt',
+    'extra_nav_links': {
+        'Sources on Codeberg': upstream_url,
+        'Download EPUB': f'https://openpgp.dev/epub/{epub_title}.epub',
+    },
     'show_relbars': 'yes',
     'show_powered_by': False,
 }