From a671fa33f809721de586c767093cb521c0e87b0f Mon Sep 17 00:00:00 2001
From: Hez Norense <34782930+praisearts@users.noreply.github.com>
Date: Sat, 31 Oct 2020 21:00:11 +0100
Subject: [PATCH] update free-programming-books.md (#4379)

* update free-programming-books.md

added Playtime with Hyperledger Composer book.

* update
---
 free-programming-books.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/free-programming-books.md b/free-programming-books.md
index eb1dfdf0..a84b7347 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -641,6 +641,7 @@
 * [Packt Publishing: A free book every day](https://www.packtpub.com/packt/offers/free-learning) (PDF, ePub, Mobi, Kindle) *(account required)*
 * [PDQ: Pretty Darn Quick: An Agile, All-Purpose Methodology](https://leanpub.com/PDQ) - Jeff Franz-Lien  *(Leanpub account or valid email requested)*
 * [Philosophy of Computer Science](http://www.cse.buffalo.edu/~rapaport/Papers/phics.pdf) (PDF)
+* [Playtime with Hyperledger Composer](https://schadokar.dev/ebooks/playtime-with-hyperledger-composer/) - Shubham Chadokar (PDF)
 * [PNG: The Definitive Guide](http://www.libpng.org/pub/png/book/)
 * [Pointers And Memory](http://cslibrary.stanford.edu/102/PointersAndMemory.pdf) (PDF)
 * [Principles of Computer System Design](http://ocw.mit.edu/resources/res-6-004-principles-of-computer-system-design-an-introduction-spring-2009/online-textbook/part_ii_open_5_0.pdf) (PDF)
-- 
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