diff --git a/lib/Config.rakumod b/lib/Config.rakumod
index a16d9f4..dafed14 100644
--- a/lib/Config.rakumod
+++ b/lib/Config.rakumod
@@ -11,14 +11,15 @@ use DB::Post;
 unit class Config;
 
 # TODO: Support GFM admonitions
-method generate-post(Post:D $post, BlogMeta:D $meta) {
+method generate-post(Int:D $id, Post:D $post, $db) {
+    my $meta = $db.meta;
     my $content = $post.render-html;
     my $head = generate-head($meta, $post.title, $post.description);
     my $body =
     body [
        site-header $meta;
        article :class<post>, [
-          post-header $post;
+          post-header $id, $post, $db;
           div :class<post-body>, [
               $content;
           ]
@@ -46,7 +47,7 @@ method generate-blurb(Int:D $id, $db) {
                 h2 $post.title;
             ];
         ];
-        post-info $post;
+        post-info $id, $post, $db;
         if $desc ~~ Str:D {
             div :class<post-blurb-description>, [
                 p $post.description;
@@ -117,7 +118,7 @@ method generate-tag-blurb($db, $tag, $limit?) {
                 a :href($link), span [
                     h3 $post.title;
                 ];
-                post-info $post;
+                post-info $id, $post, $db;
                 if $desc ~~ Str:D {
                     div :class<tag-blurb-post-description>, [
                         p $post.description;
diff --git a/lib/DB.rakumod b/lib/DB.rakumod
index 042f1a9..f092775 100644
--- a/lib/DB.rakumod
+++ b/lib/DB.rakumod
@@ -112,7 +112,7 @@ class PostDB {
        mkdir $by-slug unless $by-slug.e;
        # Render all the posts and make symlinks
        for %!posts.kv -> $id, $post {
-           my $html = $config.generate-post: $post, $!meta;
+           my $html = $config.generate-post: $id, $post, self;
            my $id-path = $by-id.add: "$id.html";
            $id-path.spurt: $html;
            for $post.all-slugs -> $slug {
diff --git a/lib/DB/Series.rakumod b/lib/DB/Series.rakumod
index 4379cae..6510a7b 100644
--- a/lib/DB/Series.rakumod
+++ b/lib/DB/Series.rakumod
@@ -13,3 +13,12 @@ has Str:D $.desc is required;
 
 #| The ids of the posts in the series, in series order
 has Int:D @.post-ids is rw = [];
+
+#| Returns true if this series contains the given post id
+method contains-post(Int:D $post-id --> Bool:D) {
+    if $post-id ~~ any @!post-ids {
+        True
+    } else {
+        False
+    }
+}
diff --git a/lib/Render/Head.rakumod b/lib/Render/Head.rakumod
index e7eb435..5eaf19c 100644
--- a/lib/Render/Head.rakumod
+++ b/lib/Render/Head.rakumod
@@ -61,6 +61,7 @@ sub site-header(BlogMeta:D $meta) is export {
             header-link 'Index', '/index.html', 'home';
             header-link 'Archive', '/archive.html', 'archive';
             header-link 'Tags', '/tags.html', 'purchase-tag-alt';
+            header-link 'Series', '/series.html', 'book';
             header-link 'About', '/about.html', 'info-circle';
             header-link 'Feed', '/atom.xml', 'rss';
         ];
diff --git a/lib/Render/Post.rakumod b/lib/Render/Post.rakumod
index 826582e..637217f 100644
--- a/lib/Render/Post.rakumod
+++ b/lib/Render/Post.rakumod
@@ -3,6 +3,7 @@ unit module Render::Post;
 
 use Render::Util;
 use DB::Post;
+use DB::Series;
 
 use HTML::Functional;
 
@@ -81,20 +82,52 @@ sub post-tags(Post:D $post) is export {
     }
 }
 
-sub post-info(Post:D $post) is export {
+sub series-tag(Int:D $post-id, Int:D $series-id, Series:D $series) is export {
+    span :class<post-series-tag>, [
+       a :href("/series/$series-id.html"), [
+          icon 'book';
+          '&nbsp;';
+          span :class<post-series-tag-inner>, [
+              $series.title;
+              '&nbsp;';
+              '(';
+              ($series.post-ids.first($post-id, :k) + 1).Str;
+              '/';
+              $series.post-ids.elems.Str;
+              ')';
+          ]
+       ]
+    ]
+}
+
+sub post-series-tags(Int:D $post-id, Post:D $post, $db) is export {
+    # Find all the series this post is in
+    my @series = $db.series.grep(*.value.contains-post: $post-id);
+    if @series {
+       div :class<post-series-tags>,
+           @series.map(-> $pair {
+               series-tag $post-id, $pair.key, $pair.value
+           });
+    } else {
+        []
+    }
+}
+
+sub post-info(Int:D $id, Post:D $post, $db) is export {
     div :class<post-info>, [
         post-date $post;
         post-edit $post;
         post-read-time $post;
         post-tags $post;
+        post-series-tags $id, $post, $db;
     ];
 }
 
-sub post-header(Post:D $post) is export {
+sub post-header(Int:D $id, Post:D $post, $db) is export {
     header :class<post-header>, [
         div :class<post-title>, [
             h1 $post.title;
         ];
-        post-info $post;
+        post-info $id, $post, $db;
     ]
 }
diff --git a/resources/main.css b/resources/main.css
index 4b54d5e..87dc6ac 100644
--- a/resources/main.css
+++ b/resources/main.css
@@ -65,10 +65,10 @@ body, .post {
     flex-wrap: wrap;
     margin-top: var(--box-margin-vert);
 }
-.header-links > a > span {
+.header-links > a > span, .post-series-tag > a > span {
     text-decoration: underline;
 }
-.header-links > a {
+.header-links > a, .post-series-tag > a {
     text-decoration: none;
 }