diff --git a/free-courses-ko.md b/free-courses-ko.md
index 3c12fbc0..f5c754dd 100644
--- a/free-courses-ko.md
+++ b/free-courses-ko.md
@@ -69,10 +69,12 @@
 
 * [C++ 프로그래밍 강좌](https://www.youtube.com/playlist?list=PLJRimEWvctNAfE5JrkwswQv6Yy4abqDl2)
 * [C언어 기초 프로그래밍 강좌](https://www.youtube.com/playlist?list=PLRx0vPvlEmdDNHeulKC6JM25MmZVS_3nT)
+* [C언어 코딩도장](https://dojang.io/course/view.php?id=2)
 * [두들낙서의 C/C++ 강좌](https://www.youtube.com/playlist?list=PLlJhQXcLQBJqywc5dweQ75GBRubzPxhAk)
 * [박정민의 C 언어본색](https://www.youtube.com/playlist?list=PL7mmuO705dG3Z4iSqwzztuPHF3YE8mlbw)
+* [씹어먹는 C++](https://modoocode.com/135) - 이재범
+* [씹어먹는 C](https://modoocode.com/231) - 이재범
 * [최호성의 C 프로그래밍](https://www.youtube.com/playlist?list=PLXvgR_grOs1BiznAEkzQdA9tlcA06qx75)
-* [C언어 코딩도장](https://dojang.io/course/view.php?id=2)
 
 
 ### C Sharp
@@ -87,7 +89,7 @@
 
 ### Deep Learning
 
-* [C++로 배우는 딥러닝](https://www.youtube.com/playlist?v=nHt7BHyJGko&list=PLNfg4W25Tapy5hIBmFZgT5coii1HUX6BD) - 홍성모
+* [C++로 배우는 딥러닝](https://www.youtube.com/playlist?v=nHt7BHyJGko&list=PLNfg4W25Tapy5hIBmFZgT5coii1HUX6BD) - 홍정모
 * [모두를 위한 딥러닝 시즌 1](https://www.youtube.com/playlist?list=PLlMkM4tgfjnLSOjrEJN31gZATbcj_MpUm) - Sung Kim
 * [모두를 위한 딥러닝 시즌 2](https://www.youtube.com/playlist?list=PLQ28Nx3M4Jrguyuwg4xe9d9t2XE639e5C) - Sung Kim
 
diff --git a/free-programming-books-ko.md b/free-programming-books-ko.md
index 2bab7763..0ab8f943 100644
--- a/free-programming-books-ko.md
+++ b/free-programming-books-ko.md
@@ -3,6 +3,7 @@
 * [Amazon Web Service](#amazon-web-service)
 * [Assembly Language](#assembly-language)
 * [C](#c)
+* [C++](#c-1)
 * [Docker](#docker)
 * [GIT](#git)
 * [Go](#go)
@@ -39,6 +40,12 @@
 ### C
 
 * [BeeJ's Guide to Network Programming - 인터넷 소켓 활용](https://blogofscience.com/Socket_Programming-KLDP.html)
+* [씹어먹는 C](https://github.com/kev0960/ModooCode/raw/master/book/c/main.pdf) - 이재범 (PDF)
+
+
+### C++
+
+* [씹어먹는 C++](https://github.com/kev0960/ModooCode/raw/master/book/cpp/main.pdf) - 이재범 (PDF)
 
 
 ### Docker