diff --git a/main.py b/main.py
index d0f3ec5..96fb4ee 100644
--- a/main.py
+++ b/main.py
@@ -1,3 +1,4 @@
+import alive_progress
 import requests
 import connectors
 import argparse
@@ -29,6 +30,8 @@ class BookCollection(dict):
         keys = expand_range(sequence)
 
         for key in keys:
+            if not args.non_series and not float(key).is_integer():
+                continue
             self.setdefault(key, [])
             self[key].append(book.asin)
 
@@ -55,39 +58,17 @@ def expand_range(part):
         return []  # Handle non-numeric input or invalid format
 
 
-def process_sequence(books):
-    """Groups books by ASIN, handling sequence ranges (including floats)."""
-    books_sequence = {}
-    for book in books:
-        asin = book["asin"]
-        sequence = book.get("sequence", "")
-
-        if sequence:
-            keys = expand_range(sequence.split(", ")[0])
-        else:
-            keys = [float(book.get("sort", "1")) * -1]
-
-        for key in keys:
-            if key not in books_sequence:
-                books_sequence[key] = []
-            books_sequence[key].append(asin)
-
-    keys = sorted(books_sequence.keys(), key=lambda x: float(x))
-    ordered_sequence = {}
-    for key in keys:
-        ordered_sequence[key] = books_sequence[key]
-    return ordered_sequence
-
-
 def process_audible_serie(books, serie_name):
     processed_books = BookCollection(serie_name)
 
     for json in books:
-        if book["relationship_type"] == "series":
+        if json["relationship_type"] == "series":
             book = Book(json["asin"])
             book.series.setdefault(serie_name, json["sequence"])
             book.series.setdefault(serie_name, f"-{json['sort']}")
             processed_books.add(book)
+        else:
+            logger.debug("Skipping non-series book: %s", json["asin"])
 
     return processed_books
 
@@ -150,9 +131,13 @@ def main():
     libraries = abs.get_library_ids()
 
     for library in libraries:
-        series = abs.get_series_by_library_id(library["id"])
+        if library["mediaType"] != "book" or library["provider"] != "audible":
+            continue
 
-        for serie in series:
+        logger.info("==== %s ====", library["name"])
+
+        series = abs.get_series_by_library_id(library["id"])
+        for serie in alive_progress.alive_it(series, title=library["name"]):
             series_name = serie["name"]
             abs_book_sequence = process_abs_serie(serie["books"], series_name)
 
@@ -168,7 +153,9 @@ def main():
                 continue
 
             audible_serie = audible.get_produce_from_asin(series_asin)
-            audible_book_sequence = process_sequence(audible_serie["relationships"])
+            audible_book_sequence = process_audible_serie(
+                audible_serie["relationships"], series_name
+            )
 
             if len(abs_book_sequence) >= len(audible_book_sequence):
                 continue
@@ -186,13 +173,30 @@ def main():
             soon_to_release_books = []
 
             for key in missing_keys:
-                try:
-                    audnexus.get_book_from_asin(audible_book_sequence[key][0])
-                    missing_books.append(key)
+                found = False
+                for asin in audible_book_sequence[key]:
+                    try:
+                        audnexus.get_book_from_asin(asin)
+                        missing_books.append(key)
+                        logger.debug(
+                            "%s Book %.1f is missing - %s",
+                            series_name,
+                            key,
+                            audible_book_sequence[key][0],
+                        )
+                        found = True
+                        break
+                    except requests.exceptions.HTTPError:
+                        pass
 
-                except requests.exceptions.HTTPError:
-                    logger.debug("%s Book %d is yet to be released", series_name, key)
+                if not found and args.oncoming:
                     soon_to_release_books.append(key)
+                    logger.debug(
+                        "%s Book %d is yet to be released - %s",
+                        series_name,
+                        key,
+                        audible_book_sequence[key][0],
+                    )
 
             msgs = []
 
@@ -208,15 +212,29 @@ def main():
                     msg,
                 )
 
-        # TODO: add input to choose which library is to be scaned
-        break
-
 
 if __name__ == "__main__":
 
     parser = argparse.ArgumentParser()
-    parser.add_argument("-d", "--dev", action="store_true")
-    parser.add_argument("-v", "--verbose", action="store_true")
+    # General flags
+    parser.add_argument(
+        "-v", "--verbose", action="store_true", help="Enable verbose logging"
+    )
+    parser.add_argument(
+        "-d", "--dev", action="store_true", help="Use development/mock connectors"
+    )
+
+    # Feature-specific flags
+    parser.add_argument(
+        "--non-series",
+        action="store_true",
+        help="Include non-series books (books not part of a numbered series)",
+    )
+    parser.add_argument(
+        "--oncoming",
+        action="store_true",
+        help="Show books to be released",
+    )
 
     args = parser.parse_args()
 
@@ -239,6 +257,8 @@ if __name__ == "__main__":
     logging.getLogger("urllib3").setLevel(logging.WARNING)
     logging.getLogger("httpcore").setLevel(logging.WARNING)
 
+    alive_progress.config_handler.set_global(enrich_print=False)
+
     logger = logging.getLogger(__name__)
     logger.setLevel(logging.DEBUG if args.verbose else logging.INFO)
     main()
diff --git a/readme.md b/readme.md
index dcc3aa2..864f010 100644
--- a/readme.md
+++ b/readme.md
@@ -32,6 +32,14 @@ python main.py
 
 Logs are written to the `log` file.
 
+### Feature-specific Arguments
+
+- `--non-series`  
+  Include non-series books (books not part of a numbered series).
+
+- `--oncoming`  
+  Show books that are yet to be released.
+
 ## Project Structure
 
 - [main.py](main.py): Entry point and main logic
diff --git a/requirements.txt b/requirements.txt
index ae6ebb6..acfe6f7 100644
Binary files a/requirements.txt and b/requirements.txt differ