UK book publisher. Publishes non-fiction titles on aviation, history and travel themes from a variety of expert authors on their subjects. Since 2009 we have been publishing the popular Historic Walking Guides series, covering some of the most fascinating historical destinations around the world. Each book takes the reader on a variety of themed walks around the destination, reading and experiencing the historic sights and stories with every step. We also publish the Airport Spotting Guides series, covering airports around the world from an enthusiast's perspective.