The book "Study of the influence of hydrophysical factors on phytoplankton of two small eutrophic reservoirs using fluorescent methods" edited by O. In. Anishchenko is a unique study that immerses the reader in the fascinating world of ecology of reservoirs and their inhabitants. This work, carried out by a team of authors, is an important contribution to the study of ecosystems of small reservoirs, and it will be of interest to both environmentalists and nature lovers. The focus of the book is on two small eutrophic reservoirs, which have become the object of detailed study. Eutrophic water bodies characterized by high