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From the publisher:

The author in his book invites the reader to an amazing zoo - not an ordinary one, but a philosophical one. However, it is not only about animals, but also about humanity and its individual categories. The book provides a rich historical description of the development of man's views, highlighting his attitude to the world of animals and human communities. The image of the author himself is clearly drawn - an intelligent, erudite, sometimes ironic defender of all the disadvantaged - from animal to man.