Added "Record-Playback Test Automation: Sahi & Selenium IDE: Critical...

Added "Record-Playback Test Automation: Sahi & Selenium IDE: Critical Evaluation of Record-Playback Automation Tools"

free-programming-books.md

@@ -350,6 +350,7 @@
 * [Pointers And Memory](http://cslibrary.stanford.edu/102/PointersAndMemory.pdf) (PDF)
 * [Programmer's Motivation for Beginners](http://programmersmotivation.com/)
 * [Project Oberon](http://www-old.oberon.ethz.ch/WirthPubl/ProjectOberon.pdf) (PDF)
+* [Record-Playback Test Automation: Sahi & Selenium IDE: Critical Evaluation of Record-Playback Automation Tools](https://leanpub.com/manualToAutomatedWithSeleniumIDEAndSahi) - Shashikant Jagtap
 * [SVG Essentials](http://commons.oreilly.com/wiki/index.php/SVG_Essentials)
 * [Security Engineering](http://www.cl.cam.ac.uk/~rja14/book.html)
 * [Small Memory Software](http://www.smallmemory.com/book.html)