diff --git a/app/controllers/personal_books_controller.rb b/app/controllers/personal_books_controller.rb
index 9125dbb..8e8925b 100644
--- a/app/controllers/personal_books_controller.rb
+++ b/app/controllers/personal_books_controller.rb
@@ -39,6 +39,8 @@ class PersonalBooksController < ApplicationController
           books_show = books_temp.select {|value| search_all_words((value.send(params[:selectbox]).strftime("%Y/%m/%d") rescue ""), params[:keywords])}
       when "author_type"
           books_show = books_temp.select {|value| search_all_words(value.book_author_types.collect{|bat| bat.title}.join(", "), params[:keywords])}
+      when "book_paper_type"
+          books_show = books_temp.select {|value| search_all_words((value.book_type.title rescue ""), params[:keywords])}
       when "language"
           books_show = books_temp.select {|value| search_all_words((!value.language.nil? ? t("#{value.language}") : ""), params[:keywords])}
       else
@@ -71,6 +73,8 @@ class PersonalBooksController < ApplicationController
           t << {"value" => (book.book_author_types.collect{|bat| bat.title}.join(", ") rescue "")}
         when "language"
           t << {"value" => (!book.language.nil? ? t("#{book.language}") : "")}
+        when "book_paper_type"
+          t << {"value" => (book.book_type.title rescue "")}
         else
           t << {"value" => (book.send(fs) rescue "")}
         end