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January 23, 2018
Learn the Basics of Mapping with Geographic Information Systems

REDLANDS, Calif.— Esri, the global leader in spatial analytics, today published The GIS 20: Essential Skills, Third Edition, a book designed to quickly prepare those who need to use a geographic information system (GIS).

The GIS 20 is aimed at readers who are new to or unfamiliar with GIS, such as a professional interested in using the technology on the job to conduct analysis and create maps, or a student majoring in a subject other than GIS who could benefit from geospatial knowledge.

Avoiding a focus on the inner workings of a GIS and sticking instead to teaching the tasks and functions most frequently and commonly used, this quick-start guide provides clear, step-by-step instructions on how to do common GIS tasks. These include downloading shapefiles and using essential tools in the software, preparing data for a map, geocoding addresses, making thematic and other types of maps, mapping latitude and longitude points collected with a GPS, using aerial photography in maps, and publishing maps.

Author Gina Clemmer is president of New Urban Research, Inc., a social research and training company based in Portland, Oregon. She has spent her career teaching everyone from executives in New York City to residents of fishing villages in Alaska to how understand the core concepts and use the tools of GIS for decision-making. 

“This book is an extension of my passion to help everyday people quickly learn the fundamentals of ArcGIS,” Clemmer wrote in The GIS 20. “Once you see the power of GIS and see that you yourself can create maps easily, you simply can’t unsee it. GIS will change the way you think about presenting data and solving problems.”

The GIS 20: Essential Skills is available in print (ISBN: 9781589485129, 180 pages, US$49.99) and as an e-book (ISBN: 9781589485136, 180 pages, US$49.99). The print and e-book editions of the book can be obtained from online retailers worldwide, at, or by calling 1-800-447-9778. Outside the United States, visit for complete ordering options, or visit to contact your local Esri distributor. Interested retailers can contact Esri Press book distributor Ingram Publisher Services.


About Esri


Esri, the global market leader in geographic information system (GIS) software, offers the most powerful mapping and spatial analytics technology available. Since 1969, Esri has helped customers unlock the full potential of data to improve operational and business results. Today, Esri software is deployed in more than 350,000 organizations including the world’s largest cities, most national governments, 75 percent of Fortune 500 companies, and more than 7,000 colleges and universities. Esri engineers the most advanced solutions for digital transformation, the Internet of Things (IoT), and location analytics to inform the most authoritative maps in the world. Visit us at


Copyright © 2018 Esri. All rights reserved. Esri, the Esri globe logo, The Science of Where, ArcGIS,, and are trademarks, service marks, or registered marks of Esri in the United States, the European Community, or certain other jurisdictions. Other companies and products or services mentioned herein may be trademarks, service marks, or registered marks of their respective mark owners.


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