From 9918fed90d96bfc1d882cabf1f0e2b4510b17f94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gintautas=20=C5=A0vedas?= <svedgintas@gmail.com>
Date: Thu, 15 Oct 2020 17:46:06 +0300
Subject: [PATCH] Added a section and a book in Japanese. (#4084)

* Added a section and a book in Japanese.

* Added a navigational link and removed one hash.

* Added missing new lines.

* Added space.
---
 free-programming-books-ja.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/free-programming-books-ja.md b/free-programming-books-ja.md
index 4d26b455..e805cef2 100644
--- a/free-programming-books-ja.md
+++ b/free-programming-books-ja.md
@@ -73,6 +73,7 @@
 * [Standard ML](#standard-ml)
 * [Swift](#swift)
 * [Tcl/Tk](#tcltk)
+* [Theoretical Computer Science](#theoretical-computer-science)
 * [TypeScript](#typescript)
 * [VBA](#vba)
 * [Vim](#vim)
@@ -649,6 +650,11 @@
 * [Tcl/Tk入門](http://aoba.cc.saga-u.ac.jp/lecture/TclTk/text.pdf) - 只木進一 (PDF)
 
 
+### Theoretical Computer Science
+
+* [計算機プログラムの構造と解釈 第二版](https://sicp.iijlab.net/fulltext/xcont.html) - Alan J. Perlis 
+
+
 ### TypeScript
 
 * [TypeScript Deep Dive 日本語版](https://typescript-jp.gitbook.io/deep-dive/) - basarat, yohamta(翻訳)
-- 
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