diff --git a/watcher.py b/watcher.py
index 430091e..d991e6b 100644
--- a/watcher.py
+++ b/watcher.py
@@ -4,9 +4,13 @@ import time
 from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
 
-WATCH_DIR = "/data"  # Mount host Books folder here (Books:/data)
+WATCH_DIR = "/data"  # Mount your host Books folder here
 
 class NewBookHandler(FileSystemEventHandler):
+    def __init__(self):
+        super().__init__()
+        self.seen_dirs = set()  # avoid processing the same dir multiple times
+
     def on_created(self, event):
         if event.is_directory:
             self.process_new_dir(event.src_path)
@@ -16,17 +20,24 @@ class NewBookHandler(FileSystemEventHandler):
             self.process_new_dir(event.dest_path)
 
     def process_new_dir(self, path):
-        # Only process if directory contains at least one .m4b file
+        # avoid duplicate processing
+        if path in self.seen_dirs:
+            return
+        self.seen_dirs.add(path)
+
+        # small delay to allow files to finish copying
+        time.sleep(2)
+
         try:
             m4b_files = [
                 f for f in os.listdir(path)
                 if f.lower().endswith(".m4b") and not f.startswith("._")
             ]
         except FileNotFoundError:
-            return  # directory might have been deleted quickly
+            return  # directory disappeared
 
         if not m4b_files:
-            print(f"⚠️ Skipping {path} (no .m4b files found yet)")
+            print(f"⚠️ Skipping {path} (no .m4b files yet)")
             return
 
         book_name = os.path.basename(path)