diff --git a/src/logic/webrequest.py b/src/logic/webrequest.py
index 6f22c3f..ee04a99 100644
--- a/src/logic/webrequest.py
+++ b/src/logic/webrequest.py
@@ -34,13 +34,16 @@ class WebRequest:
     def __init__(self) -> None:
         """Request data from the web, and format it depending on the mode."""
         self.apparat = None
-        
+        self.use_any = False # use any book that matches the search term
         self.signature = None
         self.ppn = None
         self.data = None
         self.timeout = 5
         logger.log_info("Initialized WebRequest")
-    
+        
+    def use_any_book(self):
+        self.use_any = True
+        return self
     def set_apparat(self, apparat):
         self.apparat = apparat
         if int(self.apparat) < 10:
@@ -91,6 +94,17 @@ class WebRequest:
                     item_location = location.find(
                         "div", class_="col-xs-12 col-md-7 col-lg-8 rds-dl-panel"
                     ).text.strip()
+                    if self.use_any:
+                        pre_tag = soup.find_all("pre")
+                        return_data = []
+                        if pre_tag:
+                            for tag in pre_tag:
+                                data = tag.text.strip()
+                                return_data.append(data)
+                            return return_data
+                        else:
+                            logger.log_error("No <pre> tag found")
+                            return return_data
                     if f"Semesterapparat-{self.apparat}" in item_location:
                         pre_tag = soup.find_all("pre")
                         return_data = []
@@ -112,7 +126,7 @@ class WebRequest:
             soup = BeautifulSoup(result, "html.parser")
             locations = soup.find_all("div", class_="col-xs-12 rds-dl RDS_LOCATION")
             if locations:
-                for location in locations:
+                for _ in locations:
                     pre_tag = soup.find_all("pre")
                     return_data = []
                     if pre_tag:
@@ -130,9 +144,6 @@ class BibTextTransformer:
         Valid Modes are ARRAY, COinS, BibTeX, RIS, RDS
     Raises:
         ValueError: Raised if mode is not in valid_modes
-
-    Returns:
-        None
     """
 
     valid_modes = ["ARRAY", "COinS", "BibTeX", "RIS", "RDS"]
@@ -190,16 +201,31 @@ class BibTextTransformer:
         """
         if self.data is None:
             return None 
-        if self.mode == "ARRAY":
-            return ARRAYData().transform(self.data)
-        elif self.mode == "COinS":
-            return COinSData().transform(self.data)
-        elif self.mode == "BibTeX":
-            return BibTeXData().transform(self.data)
-        elif self.mode == "RIS":
-            return RISData().transform(self.data)
-        elif self.mode == "RDS":
-            return RDSData().transform(self.data).return_data(option)
+        match self.mode:
+            case "ARRAY":
+                return ARRAYData().transform(self.data)
+            case "COinS":
+                return COinSData().transform(self.data)
+            case "BibTeX":
+                return BibTeXData().transform(self.data)
+            case "RIS":
+                return RISData().transform(self.data)
+            case "RDS":
+                return RDSData().transform(self.data).return_data(option)   
+            case None:
+                return None
+        
+        
+        # if self.mode == "ARRAY":
+        #     return ARRAYData().transform(self.data)
+        # elif self.mode == "COinS":
+        #     return COinSData().transform(self.data)
+        # elif self.mode == "BibTeX":
+        #     return BibTeXData().transform(self.data)
+        # elif self.mode == "RIS":
+        #     return RISData().transform(self.data)
+        # elif self.mode == "RDS":
+        #     return RDSData().transform(self.data).return_data(option)
 
 
 def cover(isbn):