The dictionary introduces poisonous plants and dangerous animals living in our country. Having familiarized himself with its contents, the reader will be able to protect himself from many troubles that lie in wait for him not only in the field and forest, but also in the summer cottage and in the city park or park. Thanks to visual drawings, it can be used as a determinant of plants and animals. At the end of the dictionary is an alphabetical index. The publication will help schoolchildren prepare for lessons, expand their horizons, and teachers - choose material both for a specific lesson and for an optional lesson.