M. Ya. Zuzmer's textbook "Zoology," which has withstood 14 editions as a stable textbook, is currently being published in an abridged and revised form. The author, when processing his work, took into account the changes in biology programs that had occurred in recent years and took into account those reviews that were critical of this textbook. The manuscript was received by the Educational and Pedagogical Publishing House almost on the eve of the author's death, so all further work was done by his daughter A.M. Zuzmer, who owns the general editing and processing of the manuscript after review. In work on the textbook accepted also having speeded up professional. A. A. Paramonov and prof. N. N. Plavilshchikov. The first sections are written: Worms and Mollusks, and the second - Introduction, Arthropods, Pisces and Conclusion.