--- alexandria-0.6.9/lib/alexandria/ui/dialogs/new_book_dialog.rb.nothread	2013-02-16 09:59:08.000000000 +0900

+++ alexandria-0.6.9/lib/alexandria/ui/dialogs/new_book_dialog.rb	2013-02-16 10:41:58.000000000 +0900

@@ -345,15 +345,17 @@

                          get_images_async

                          false #continue == false if you get to here. Stop timeout_add.

                        end

-                     else

+                     elsif @find_thread

                        # Stop if the book find thread has stopped.

                        @find_thread.alive?

+                     else

+                       true

                      end

           # continue == false if @find_error OR if results are returned

           # timeout_add ends if continue is false!

           unless continue

-            unless @find_thread.alive? #This happens after find_thread is done

+            unless (@find_thread && @find_thread.alive?) #This happens after find_thread is done

               unless @destroyed

                 # Gtk.timeout_remove(progress_pulsing)

                 # @progressbar.hide