There are 4 books by Gregory Gallagher on BookOrb. A strong starting point is Secret of the Summer Sweetheart (2019). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Gregory Gallagher written?
BookOrb lists 4 books by Gregory Gallagher.
Where should I start with Gregory Gallagher?
A good starting point is Secret of the Summer Sweetheart (2019).
What is the Gregory Gallagher books in order list?
In publication order: 1. Top 10 Montreal and Quebec City (2004), 2. Montreal and Quebec City (Eyewitness Top Ten Travel Guides) (2004), 3. Top 10 Eyewitness Guide - Montreal and Quebec City (2008), 4. Secret of the Summer Sweetheart (2019).