Regulation (EU) No 531 / of the European Parliament and of the Council of 13 June 2012 on the roaming of public mobile networks” is an important document that has become a fundamental step in the regulation of mobile communications within the European Union. This regulation, adopted in 2012, was a landmark event for millions of mobile phone users, giving them the opportunity to use communication services abroad without excessive costs. The book contains key aspects and provisions of this regulation, which makes it an indispensable source of information for lawyers, economists, students and anyone interested in the law and economics of the European Union. First of all, it is worth noting that this edition will be especially useful for those who work in the field of telecommunications, as well as for those who deal with legal issues related to mobile communication. The book can attract the attention of law and economics students, researchers, and practitioners seeking a deeper understanding of how the mobile market is regulated in Europe. It will also be of interest to those who plan to travel to EU countries and want to be aware of their rights and obligations in the field of mobile communication. The main theme of the book is the regulation of roaming, which was made possible thanks to the efforts of the European Parliament and the Council of the EU. It addresses key provisions related to the restriction of prices for roaming services, as well as consumer protection. The reader will be able to find out how this regulation has affected the decline in prices for mobile communications abroad, as well as what changes have occurred in the relationship between telecom operators and their customers. The book also addresses issues related to communication quality and access to roaming services, making it relevant to anyone who uses mobile devices while traveling. The style of presentation of the book is clear and accessible, which allows the reader to easily absorb complex legal terms and concepts. The team of authors working on this project includes experts in the field of law, telecommunications and economics, which ensures the high quality of materials and their relevance. Reading this book, you can not only get acquainted with the text of the regulations, but also get comments and explanations that will help to better understand its essence and meaning. The book “Regulation of the European Parliament and of the Council 531/2012” also raises important issues concerning consumer rights in the digital age. In the context of globalization and the rapid development of technology, the understanding of the legal framework governing mobile communications is becoming increasingly relevant. This work is not only a legal document, but also an important contribution to the discussion about the future of the telecommunications market in Europe. If you are looking for information on mobile regulation, how to protect your rights as a consumer, or just want to be aware of changes in the law, this book will be your reliable assistant. It will help you understand complex issues and will give you the opportunity to better navigate the world of modern technologies and communication services. Thus, the “Regulation of the European Parliament and of the Council 531/2012” is not just a legal document, but an important source of knowledge that will help you better understand how the mobile market operates in Europe and what rights you have as a consumer. Do not miss the opportunity to get acquainted with this important work, which will open up new horizons for you in the world of telecommunications.