diff --git a/docs/man/default.nix b/docs/man/default.nix
new file mode 100644
index 0000000..60b5ead
--- /dev/null
+++ b/docs/man/default.nix
@@ -0,0 +1,73 @@
+{ pkgs ? import <nixpkgs> {} }:
+
+let
+
+  lib = pkgs.lib;
+
+  nmdSrc = pkgs.fetchFromGitLab {
+    name = "nmd";
+    owner = "rycee";
+    repo = "nmd";
+    rev = "2398aa79ab12aa7aba14bc3b08a6efd38ebabdc5";
+    sha256 = "0yxb48afvccn8vvpkykzcr4q1rgv8jsijqncia7a5ffzshcrwrnh";
+  };
+
+  nmd = import nmdSrc { inherit pkgs; };
+
+  # Make sure the used package is scrubbed to avoid actually instantiating
+  # derivations.
+  #
+  # Also disable checking since we'll be referring to undefined options.
+  setupModule = {
+    imports = [{
+      _module.args = {
+        pkgs = lib.mkForce (nmd.scrubDerivations "pkgs" pkgs);
+      };
+      _module.check = false;
+    }];
+  };
+
+  nbModulesDocs = nmd.buildModulesDocs {
+    modules = let
+      nixosModule = module: pkgs.path + "/nixos/modules" + module;
+    in [
+      ../../modules/bitcoind.nix
+      (nixosModule "/misc/assertions.nix")
+      setupModule
+    ];
+    moduleRootPaths = [ ../modules ];
+    mkModuleUrl = path:
+      "https://github.com/fort-nix/nix-bitcoin/blob/master/${path}#blob-path";
+    channelName = "nix-bitcoin";
+    docBook.id = "nb-options";
+  };
+
+  docs = nmd.buildDocBookDocs {
+    pathName = "nix-bitcoin";
+    modulesDocs = [ nbModulesDocs ];
+    documentsDirectory = ./.;
+    chunkToc = ''
+      <toc>
+        <d:tocentry xmlns:d="http://docbook.org/ns/docbook" linkend="book-nix-bitcoin-manual"><?dbhtml filename="index.html"?>
+          <d:tocentry linkend="ch-nb-options"><?dbhtml filename="nb-options.html"?></d:tocentry>
+        </d:tocentry>
+      </toc>
+    '';
+  };
+
+in {
+  options = {
+    json = pkgs.symlinkJoin {
+      name = "nix-bitcoin-options-json";
+      paths = [
+        (nbModulesDocs.json.override {
+          path = "share/doc/nix-bitcoin/nb-options.json";
+        })
+      ];
+    };
+  };
+
+  manPages = docs.manPages;
+
+  manual = { inherit (docs) html htmlOpenTool; };
+}
diff --git a/docs/man/man-nb-options.xml b/docs/man/man-nb-options.xml
new file mode 100644
index 0000000..c0e2f54
--- /dev/null
+++ b/docs/man/man-nb-options.xml
@@ -0,0 +1,27 @@
+<refentry xmlns="http://docbook.org/ns/docbook"
+          xmlns:xlink="http://www.w3.org/1999/xlink"
+          xmlns:xi="http://www.w3.org/2001/XInclude">
+ <refmeta>
+  <refentrytitle><filename>nb-options</filename>
+  </refentrytitle><manvolnum>5</manvolnum>
+  <refmiscinfo class="source">nix-bitcoin</refmiscinfo>
+ </refmeta>
+ <refnamediv>
+  <refname><filename>nb-options</filename>
+  </refname><refpurpose>nix-bitcoin configuration specification</refpurpose>
+ </refnamediv>
+ <refsection>
+  <title>Description</title>
+  <para>
+   This contains the nix-bitcoin module options.
+  </para>
+ </refsection>
+ <refsection>
+  <title>Options</title>
+  <para>
+   You can use the following options in <filename>configuration.nix</filename>:
+  </para>
+  <xi:include href="./nmd-result/nb-options.xml" />
+ </refsection>
+</refentry>
+
diff --git a/docs/man/man-pages.xml b/docs/man/man-pages.xml
new file mode 100644
index 0000000..50a0404
--- /dev/null
+++ b/docs/man/man-pages.xml
@@ -0,0 +1,13 @@
+<reference xmlns="http://docbook.org/ns/docbook"
+           xmlns:xlink="http://www.w3.org/1999/xlink"
+           xmlns:xi="http://www.w3.org/2001/XInclude">
+ <title>nix-bitcoin Reference Pages</title>
+ <info>
+  <author><personname>nix-bitcoin developers</personname>
+  </author>
+  <copyright><year>2021</year><holder>nix-bitcoin developers</holder>
+  </copyright>
+ </info>
+ <xi:include href="man-nb-options.xml" />
+</reference>
+
diff --git a/docs/man/manual.xml b/docs/man/manual.xml
new file mode 100644
index 0000000..71cd08a
--- /dev/null
+++ b/docs/man/manual.xml
@@ -0,0 +1,32 @@
+<book xmlns="http://docbook.org/ns/docbook"
+      xmlns:xlink="http://www.w3.org/1999/xlink"
+      xmlns:xi="http://www.w3.org/2001/XInclude"
+      version="5.0"
+      xml:id="book-nix-bitcoin-manual">
+ <info>
+  <title>nix-bitcoin</title>
+ </info>
+ <preface>
+  <title>Preface</title>
+  <para>
+  Documentation of nix-bitcoin options.
+  </para>
+  <para>
+   If you encounter problems or bugs then please report them on the <link xlink:href="https://gitlab.com/rycee/nur-expressions/issues">issue tracker</link>.
+  </para>
+ </preface>
+ <appendix xml:id="ch-nb-options">
+  <title>nix-bitcoin configuration options</title>
+  <section xml:id="sec-nb-usage">
+   <title>Usage</title>
+   <para>
+    To use these options modify your <filename>configuration.nix</filename> such that it has the format
+   </para>
+  </section>
+  <section xml:id="sec-nb-options">
+   <title>Options</title>
+
+   <xi:include href="./nmd-result/nb-options.xml" />
+  </section>
+ </appendix>
+</book>