---
product_id: 1763843
title: "The GIS 20: Essential Skills Second Edition"
brand: "gina clemmer"
price: "S$86"
currency: SGD
in_stock: true
reviews_count: 12
url: https://www.desertcart.sg/products/1763843-the-gis-20-essential-skills-second-edition
store_origin: SG
region: Singapore
---

# The GIS 20: Essential Skills Second Edition

**Brand:** gina clemmer
**Price:** S$86
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** The GIS 20: Essential Skills Second Edition by gina clemmer
- **How much does it cost?** S$86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/1763843-the-gis-20-essential-skills-second-edition)

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## Customer Reviews

### ⭐⭐⭐⭐ 







  
  
    Good reference for those who are a bit rusty, but it could really use an index
  

*by N***U on Reviewed in the United States on December 5, 2011*

I took a GIS course in college in 2004.  Since then I haven't used it much and when I have, it's been for very basic tasks, like plotting a single point or viewing a project that someone else created.  I purchased this book when I needed to do a bit more with GIS for a project I was working on.  I found that completing the exercises in the book was really helpful for refreshing my memory on how the software works, as well as for acclimating me to the newer version.My only real complaint about the book is that it lacks an index.  Since multiple tasks are embedded in one "essential skill" within the book, it was sometimes difficult to figure out where I had seen instructions for performing a task if I needed to do it in some other context.  Thus, although this book is good for talking you through the 20 skills, expect to do a bit of page-flipping and growling if you are trying to apply the concepts to other skills and need to refer back to a specific task.That being said, I think this book is great as a refresher course for those who need to get acquainted with updated software and as a reference for performing the 20 essential skills it is focused on.  I felt it was well worth the price!

### ⭐⭐⭐⭐ 







  
  
    Twenty Chapters for Twenty Skills
  

*by M***N on Reviewed in the United States on September 19, 2010*

As books covering ArcGIS 10 are generally not available right now this one is worth considering.  Novices and even experienced ArcGIS 9.x users may benefit from it.  Enough has changed between versions 9 and 10 to make this book a handy resource, although online help built into ArcGIS will assist experienced users solve most problems.  There are step-by-step solutions for the 20 "essential" tasks/skills with data and exercises to provide hands-on practice.  The book's instructions with illustrations are generally excellent.  Think of the book as a condensed cookbook.  That aspect of the book is satisfactory.  Here is my one complaint -- there is no index -- but that is my quibble. Nevertheless I have amply received my money's worth.  Although more expensive the GIS Tutorials 1,2 and 3 from ESRI Press provide much more extensive coverage of the subject areas and I highly recommend them.Note that ESRI Press has since published a second edition of this book.

### ⭐⭐⭐⭐ 







  
  
    ArcGIS Desktop 10 in a Nut Shell
  

*by J***R on Reviewed in the United States on April 4, 2011*

Although the title uses GIS, this book is only directed at ArcGIS desktop.  The book was written for version 10, but works well with version 9.3.It is a good review for those that have not used ArcGIS for a while, or those familiar with version 9.3 and need to transition to version 10.  The 20 skills are introductory to intermediate and do not cover more advanced skills.  For those using the text as a bridge to version 10, this should be enough to make the transition.  It was for me.I would highly recommend this book to anyone making the transition to version 10.  The local university is using this book as a text for a special topic course for those students that are near the end of their certification.  Up to this point they have used version 9.3 and want to transition to version 10 to improve their resumes.

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-01*