From 0763b1a00defec962245c0e90068206917054460 Mon Sep 17 00:00:00 2001
From: isabelle-dr
Date: Tue, 22 Mar 2022 19:10:07 -0400
Subject: Add gtfs-book files

---
 README.md | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'README.md')

diff --git a/README.md b/README.md
index bc2a129..c51f238 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,11 @@
-# GTFS-books
\ No newline at end of file
+# GTFS-books
+
+This repository contains the source for the following two books:
+
+* The Definitive Guide to GTFS (2014)
+* The Definitive Guide to GTFS-realtime (2015)
+
+These were originally published commercially, but have now been donated to OpenMobilityData.
+
+Some of the content may be outdated. You are encouraged to contribute any fixes or changes in order to keep it as up-to-date as possible.
+
-- 
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