diff --git a/database_lib.py b/database_lib.py
index 080a856..c7cbb81 100644
--- a/database_lib.py
+++ b/database_lib.py
@@ -32,31 +32,32 @@ class Database:
             return result_list
 
     def select_books_by_title(self, query):
-        query = self.__format_query(query)
+        query = format_query(query)
         sql = f"""
         SELECT title, author_sort, path FROM books
-        WHERE title LIKE '{query}';
+            WHERE title LIKE "{query}";
         """
         return self._execute(sql, res.book_factory)
 
     def select_books_by_author(self, query):
-        query = self.__format_query(query)
+        query = format_query(query)
         sql = f"""
         SELECT title, author_sort, path FROM books
         WHERE books.author_sort LIKE '%' || 
         (SELECT sort FROM authors 
-            WHERE sort LIKE '%{query}%') || '%';
+            WHERE sort LIKE "{query}") || '%';
         """
         return self._execute(sql, res.book_factory)
 
     def select_authors(self, query):
-        query = self.__format_query(query)
+        query = format_query(query)
         sql = f"""
         SELECT name, sort FROM authors
-        WHERE name LIKE '{query}'; 
+        WHERE name LIKE "{query}"; 
         """
         return self._execute(sql, res.author_factory)
 
-    def __format_query(self, query):
-        formatted_query = "%" + query.replace(" ", "%") + "%"
-        return formatted_query
+
+def format_query(query):
+    formatted_query = "%" + query.replace(" ", "%") + "%"
+    return formatted_query
diff --git a/libreremo_bot.py b/libreremo_bot.py
index 95ae5c7..2429502 100644
--- a/libreremo_bot.py
+++ b/libreremo_bot.py
@@ -2,6 +2,9 @@
 # -*- coding: utf-8 -*-
 import glob
 import logging
+import os.path
+
+import urllib3
 
 from telegram import InlineKeyboardButton, InlineKeyboardMarkup
 from telegram import ParseMode
@@ -128,22 +131,29 @@ def _get_book(update: Update, context: CallbackContext):
         parse_mode=ParseMode.HTML
     )
     query.message.reply_text(
-        'Ti invio immediatamente il file, sii paziente se il tuo libro non arriva')
-    filepath = CALIBRE_DIR + query.data + "/*.pdf"
+        'Stiamo caricando il file, sii paziente se il tuo libro non arriva subito')
+    filepath = CALIBRE_DIR + query.data
+    if os.path.isdir(filepath + "/splitted"):
+        filepath = filepath + "/splitted"
     try:
-        for file in glob.glob(filepath):
-            with open(file, 'rb') as doc_pdf:
-                context.bot.send_document(chat_id, doc_pdf)
+        for file in glob.glob(filepath + "/*.pdf"):
+            with open(file, 'rb') as doc:
+                context.bot.send_document(chat_id, doc, timeout=120)
                 logging.info("Sharing {}".format(file))
-    except FileNotFoundError:
+    except urllib3.exceptions.HTTPError as e:  # cannot handle exception
+        logging.error(e)
+        query.message.reply_text(
+            "Abbiamo qualche problema di connessione, ritenta più tardi")
+    except Exception as e:
         logging.info("cannot send {}".format(filepath))
+        logging.error(e)
         query.message.reply_text(
-            "Mi dispiace non rieco a trovare il file, prova piu' tardi")
+            "Non riesco a mandarti il file, riprova più tardi")
     return ConversationHandler.END
 
 
 def _cnv_stop(update: Update, context: CallbackContext):
-    update.message.reply_text("ciao")
+    #   context.bot.edit_message_reply_markup()
     return ConversationHandler.END
 
 
@@ -178,9 +188,12 @@ def __format_reply_markup(list_of_res):
     return InlineKeyboardMarkup(inline_keyboard)
 
 
-# def handle_error(update: Update, context: CallbackContext):
-#     context.bot.send_message(chat_id=update.callback_query.message.chat_id,
-#                              text="Oh no, qualcosa è andato storto, riprova più tardi...")
+def handle_error(update: Update, context: CallbackContext):
+    context.bot.send_message(
+        chat_id=update.callback_query.message.chat_id,
+        text="Oh no, qualcosa è andato storto, riprova più tardi...")
+    logging.error(context.error)
+    return ConversationHandler.END
 
 
 GET_RESOURCE_TYPE, ASK_RESOURCE, GET_RESOURCE, GET_BOOK, GET_AUTHOR = range(5)
@@ -191,7 +204,7 @@ cnv_handler = ConversationHandler(
                   CommandHandler('search_by_author', search_by_author),
                   MessageHandler(Filters.text, search_by_title_default)],
     states={
-        GET_RESOURCE_TYPE: [CallbackQueryHandler(_get_resource_type)],
+        GET_RESOURCE_TYPE: [CallbackQueryHandler(_get_resource_type), MessageHandler(Filters.text, _cnv_stop)],
         GET_RESOURCE: [MessageHandler(Filters.text, _get_resource)],
         GET_AUTHOR: [CallbackQueryHandler(_get_author)],
         GET_BOOK: [CallbackQueryHandler(_get_book)],
@@ -209,7 +222,7 @@ def main():
     updater.dispatcher.add_handler(cnv_handler)
     updater.dispatcher.add_handler(MessageHandler(Filters.command, unknown))  # Filters out unknown commands
 
-    # updater.dispatcher.add_error_handler(handle_error)
+    updater.dispatcher.add_error_handler(handle_error)
 
     updater.start_polling()
     updater.idle()