diff --git a/hosts/tilo/configuration.nix b/hosts/tilo/configuration.nix
index 86059bb..8848644 100644
--- a/hosts/tilo/configuration.nix
+++ b/hosts/tilo/configuration.nix
@@ -38,6 +38,7 @@
       trusted-users = ["root" "phundrak"];
     };
     services = {
+      calibre.enable = true;
       endlessh.enable = true;
       plex = {
         enable = true;
diff --git a/system/services/calibre.nix b/system/services/calibre.nix
new file mode 100644
index 0000000..e891915
--- /dev/null
+++ b/system/services/calibre.nix
@@ -0,0 +1,38 @@
+{
+  config,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.system.services.calibre;
+in {
+  options.system.services.calibre = {
+    enable = mkEnableOption "Enable Calibre Web";
+    user = mkOption {
+      type = types.string;
+      default = "phundrak";
+    };
+    group = mkOption {
+      type = types.string;
+      default = "users";
+    };
+    dataDir = mkOption {
+      type = types.string;
+      example = "/tank/calibre/conf";
+      default = "/tank/calibre/conf";
+    };
+    library = mkOption {
+      type = types.string;
+      example = "/tank/calibre/library";
+      default = "/tank/calibre/library";
+    };
+  };
+  config.services.calibre-web = mkIf cfg.enable {
+    inherit (cfg) enable user group dataDir;
+    options = {
+      calibreLibrary = cfg.library;
+      enableBookConversion = true;
+      enableBookUploading = true;
+    };
+  };
+}
diff --git a/system/services/default.nix b/system/services/default.nix
index 772d7bc..7db36a3 100644
--- a/system/services/default.nix
+++ b/system/services/default.nix
@@ -1,5 +1,6 @@
 {
   imports = [
+    ./calibre.nix
     ./endlessh.nix
     ./fwupd.nix
     ./plex.nix