A book by the famous American popularizer of science, Maptin Gardner, devoted to the search for successful ideas for solving problems in the field of combinatorics, geometry, logic, number theory and word games. [ Designed for the widest range of readers . [DT "Gardner" style is characterized by clarity , , , Brightness, Convincing the statement , [CM glitter, Paradoxical thinking , Newness and depth of scientific ideas , many of which are derived from modern scientific publications and in turn have become an incentive for serious research, Active involvement of the reader in independent creativity .