diff --git a/.bin/sample-pdf.sh b/.bin/sample-pdf.sh
new file mode 100755
index 0000000..e75f6fc
--- /dev/null
+++ b/.bin/sample-pdf.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+filepath="$(shuf --head-count=1)"
+pages="$(pdfinfo "$filepath" | awk '/^Pages:/{print $2}')"
+random_page="$(shuf --input-range="1-$pages" --head-count=1)"
+zathura --page="$random_page" "$filepath"
diff --git a/configs/cloud.nix b/configs/cloud.nix
index e521ab7..36edff2 100644
--- a/configs/cloud.nix
+++ b/configs/cloud.nix
@@ -17,6 +17,17 @@
     services.nextcloud-client.enable = true;
   };
 
+  environment.systemPackages = [
+    (pkgs.writers.writeDashBin "read" ''
+      set -efu
+      book="$({
+        ${pkgs.findutils}/bin/find ${config.users.users.me.home}/cloud/syncthing/library -type f
+        ${pkgs.findutils}/bin/find ${config.users.users.me.home}/cloud/Seafile/Books -type f
+      } | ${pkgs.fzf}/bin/fzf)"
+      ${pkgs.zathura}/bin/zathura "$book"
+    '')
+  ];
+
   fileSystems."/media/moodle" = {
     device = "zaatar.r:/moodle";
     fsType = "nfs";