Update README.md

Author: stefmolin

README.md

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 # Stock Analysis
-Package for making elements of technical analysis of a stock easier. This package is meant to be a starting point for you to develop your own. As such, all the instructions for installing/setup will be assuming you will continue to develop on your end.
+Package for making elements of technical analysis of a stock easier from the book [Hands-On Data Analysis with Pandas](https://www.amazon.com/dp/1800563450/). This package is meant to be a starting point for you to develop your own. As such, all the instructions for installing/setup will be assuming you will continue to develop on your end.
 
 ## Setup
 ```shell
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 ```
 
 <img src="images/lm_predictions.png?raw=true" align="center" width="450" alt="linear regression predictions">
+
+---
+
+## About the Author
+Stefanie Molin ([@stefmolin](https://github.com/stefmolin)) is a software engineer and data scientist at Bloomberg in New York City, where she tackles tough problems in information security, particularly those revolving around data wrangling/visualization, building tools for gathering data, and knowledge sharing. She is also the author of [Hands-On Data Analysis with Pandas](https://www.amazon.com/dp/1800563450/), which is currently in its second edition and has been translated into Korean. She holds a bachelor’s of science degree in operations research from Columbia University's Fu Foundation School of Engineering and Applied Science, as well as a master’s degree in computer science, with a specialization in machine learning, from Georgia Tech. In her free time, she enjoys traveling the world, inventing new recipes, and learning new languages spoken among both people and computers.