Lonely Planet Eastern Europe

DK Eyewitness Travel Guide: Bulgaria

Fodor's Eastern and Central Europe: Bulgaria, Czech Republic, Hungary, Poland, Romania, Slovakia

Croatia Travel Guide 2024: Discover the Jewel of the Adriatic: Your Ultimate Guide to Croatia's Charm, Cuisine, and Culture in 2024

BULGARIA POCKET GUIDE: Discovering the Jewel of Eastern Europe (EUROPEAN COUNTRIES TRAVEL GUIDE)

Exploring Bulgaria: A Traveler's Guide

BULGARIA TRAVEL GUIDE: Discovering Bulgaria: A Comprehensive Travel Guide for 2024"

Bulgaria Travel Guide: Complete information about Bulgaria Travel

The Third Book: To Bulgaria With Big Rucsacs (Bacons On Tour)

The Bulgarians in their historical, ethnographical and political frontiers (atlas with 40 maps). Preface by D. Rizoff