Finding relevant and relevant information on the Internet is sometimes very difficult. The amount of information garbage on the web is growing like a snowball, and sometimes it is simply impossible to get to the data that you really need using traditional Yandex and Google. The book you hold in your hands will increase the efficiency of your search for information on the Internet many times over. Techniques, search sites and programs for specialized information search are described here. Modern varieties of Internet search are considered: universal search, vertical search, metasearch systems, building personal search engines, searching for audiovisual content, searching on the hidden Internet. For all considered systems, their characteristics and tips for maximum effective use are given.