diff --git a/books/free-programming-books-en.md b/books/free-programming-books-en.md
index de687f34..c47fcd94 100644
--- a/books/free-programming-books-en.md
+++ b/books/free-programming-books-en.md
@@ -5,4 +5,6 @@
 
 ### All
 
-* [English](free-programming-books.md) (The list of books in English is here for historical reasons.)
+* [English, By Programming Language](free-programming-books-langs.md)
+  [English, By Subject](free-programming-books-subjects.md)
+  (The list of books in English is here for historical reasons.)