diff --git a/1_20_3/data/datalib/item_modifiers/book/build.json b/1_20_3/data/datalib/item_modifiers/book/build.json
new file mode 100644
index 0000000..93c9fad
--- /dev/null
+++ b/1_20_3/data/datalib/item_modifiers/book/build.json
@@ -0,0 +1,35 @@
+[
+  {
+    "function": "minecraft:copy_nbt",
+    "source": {
+      "type": "minecraft:storage",
+      "source": "datalib:input"
+    },
+    "ops": [
+      {
+        "source": "data.pages",
+        "target": "pages",
+        "op": "replace"
+      },
+      {
+        "source": "data.author",
+        "target": "author",
+        "op": "replace"
+      },
+      {
+        "source": "data.title",
+        "target": "title",
+        "op": "replace"
+      },
+      {
+        "source": "data.generation",
+        "target": "generation",
+        "op": "replace"
+      }
+    ]
+  },
+  {
+    "function": "minecraft:set_nbt",
+    "tag": "{resolved:1b}"
+  }
+]