The manual highlights the possibilities of searching for information and documents on the Internet, discusses the principles and features of storing documents in electronic networks, the most rational methods of searching for various types of documents, the method of formulating requests and the principles of choosing search engines. Considerable attention is paid to the characteristics of electronic catalogs of the largest libraries in the world and their search capabilities. The book also provides advice on creating more comfortable and effective search conditions based on the personal experience of the authors. The publication is intended for students of higher and secondary specialized educational institutions, graduate students and teachers of schools, colleges and universities . It can also be useful for librarians and bibliographers of various types who provide information and library services using electronic networks ..