diff --git a/library.py b/library.py
index e69de29..a82919e 100644
--- a/library.py
+++ b/library.py
@@ -0,0 +1,43 @@
+from typing import Optional
+from library.model.book import Book
+from library.model.genre import Genre
+
+
+class Library():
+
+    # Prints crime audio books
+    def print_longest_crime_audio_book(self) -> str:
+        crime_audio_books: list[Book] = []
+        max: Optional[Book] = None
+
+        # print banner
+        print("*********************************************")
+        print("********* Longest Crime Audio Book **********")
+        print("*********************************************")
+
+        for b in self.get_books():
+            if Genre.CRIME in b.genres:
+                if b._book_type == "Audio":
+                    if max is not None and max.duration < b.duration:
+                        max = b
+                    # end if
+                # end if
+            else:
+                pass
+            # end else
+        # end for
+
+        print(f"Title: {max.title}")
+        print(f"Author: {max.authors}")
+        print(f"Duration: {max.duration}")
+        print(f"______________________________")
+        return str(max)
+
+    # Constructor
+    def __init__(self, books: list[Book]):
+        self._books = books
+
+    _books: list[Book] = []
+
+    def get_books(self) -> list[Book]:
+        return self._books