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+# The Definitive Guide to GTFS
+
+*Consuming open public transportation data with the General Transit Feed
+Specification*
+
+Originally written by Quentin Zervaas.
+
+## About This Book
+
+This book is a comprehensive guide to GTFS -- the General Transit Feed
+Specification. It is comprised of two main sections.
+
+The first section describes what GTFS is and provides details about the
+specification itself. In addition to this it also provides various
+discussion points and things to consider for each of the files in the
+specification.
+
+The second section covers a number of topics that relate to actually
+using GTFS feeds, such as how to calculate fares, how to search for
+trips, how to optimize feed data and more.
+
+This book is written for developers that are using transit data for web
+sites, mobile applications and more. It aims to be as language-agnostic
+as possible, but uses SQL to demonstrate concepts of extracting data
+from a GTFS feed.
+
+### About The Author
+
+Quentin Zervaas is a software developer from Adelaide, Australia.
+
+Quentin was the founder of TransitFeeds (now <OpenMobilityData.org>), a web
+site that provides a comprehensive listing of public transportation data
+available around the world. This site is referenced various times
+throughout this book.
+
+### Credits
+
+First Edition. Published in February 2014.
+
+**Technical Reviewer**
+
+Rupert Hanson
+
+**Copy Editor**
+
+Miranda Little
+
+**Disclaimer**
+
+The information in this book is distributed on an "as is" basis, without
+warranty. Although every precaution has been taken in the preparation of
+this work, the author shall not be liable to any person or entity with
+respect to any loss or damage caused or alleged to be caused directly or
+indirectly by the information contained in this book.
+