Аннотация:The article gives the author's definition of an electronic textbook; From the standpoint of the algorithmic approach, its structure is described, including stages and modules. On the example of author's electronic textbooks, the possibilities of their use in theeducational process of bachelors are revealed. The criteria for the assimilation of knowledge and universal educational actions (motivational, cognitive, practical and operational, contact) are determined; The characteristics of the levels of their formation are given. With the help of Fisher's angular transformation, the effectiveness of the use of electronic textbooks in the educational process of higher education is proved.