While in Paris, Maestri became a regular contributor to the , an economic review magazine committed to liberalism and free trade. In addition to trying to explain Italy to the French, he also committed himself to reporting the events in France to his compatriots on the south side of Mont Blanc. Of particular significance, in this connection, is a series of articles he wrote under the series title "La Francia contemporanea" ("France Today") for Cattaneo's review journal, "Politecnico" after the 1859 war.