diff --git a/src/epy_reader/ebooks/fictionbook.py b/src/epy_reader/ebooks/fictionbook.py
index 35611b2..1fb7500 100644
--- a/src/epy_reader/ebooks/fictionbook.py
+++ b/src/epy_reader/ebooks/fictionbook.py
@@ -1,5 +1,6 @@
 import base64
 import os
+import zipfile
 import xml.etree.ElementTree as ET
 from typing import List, Tuple, Union
 
@@ -14,6 +15,11 @@ def __init__(self, filefb: str):
         self.path = os.path.abspath(filefb)
         self.file = filefb
 
+        if zipfile.is_zipfile(filefb):
+            with zipfile.ZipFile(filefb) as z:
+                if info := z.infolist():
+                    self.file = z.open(info[0])
+
         # populate these attribute
         # by calling self.initialize()
         self.root: ET.Element
diff --git a/src/epy_reader/utils.py b/src/epy_reader/utils.py
index bb24106..a2ee4b6 100644
--- a/src/epy_reader/utils.py
+++ b/src/epy_reader/utils.py
@@ -14,12 +14,12 @@
 
 
 def get_ebook_obj(filepath: str) -> Ebook:
-    file_ext = os.path.splitext(filepath)[1].lower()
+    file_name, file_ext = os.path.splitext(filepath.lower())
     if is_url(filepath):
         return URL(filepath)
     elif file_ext in {".epub", ".epub3"}:
         return Epub(filepath)
-    elif file_ext == ".fb2":
+    elif file_ext == ".fb2" or file_ext == ".zip" and file_name.endswith(".fb2"):
         return FictionBook(filepath)
     elif file_ext == ".mobi":
         return Mobi(filepath)