- Cologne Restaurant Guide 2018: Best Rated Restaurants in Cologne, Germany - 500 Restaurants, Bars and Caf�s recommended for Visitors, 2018
- Cologne Restaurant Guide 2017: Best Rated Restaurants in Cologne, Germany - 500 Restaurants, Bars and Cafes Recommended for Visitors, 2017
- Cologne Restaurant Guide 2020: Your Guide to Authentic Regional Eats in Cologne, Germany (Restaurant Guide 2020)
- Cologne Restaurant Guide 2019: Best Rated Restaurants in Cologne, Germany - 500 Restaurants, Bars and Cafés recommended for Visitors, 2019
- Cologne Restaurant Guide 2022: Your Guide to Authentic Regional Eats in Cologne, Germany