The thesis is dedicated to the changes of the book market between its entities, libraries and final consumer of information (readers, library users) after the arrival of the internet. Development of the internet has brought searching of the new business models and opportunities for cooperation. Electronic publishing that, along with the internet availability, commenced to raise is the starting factor for the development of electronic books. The thesis outlines the roles of individual entities of the book market, i.e. publisher and seller (distributor, book-seller and digital platform) and libraries during the production, sale and accessing books with the focus on electronic books. After description of used terminology, especially different ...