In 2004, his recent paintings were included in the exhibition curated by Philippe Daverio at the Spazio Oberdan in Milan called Fenomenologia della Metacosa – 7 artisti nel 1979 a Milano e 25 anni dopo,[4] and, in 2005, he had a one-person show entitled Let there be smoke at the Museo Hendrik Christian Andersen in Rome.
In June, he exhibited a group of treated postcards at the Estorick Collection in London, Shaping the Image, which concerned the main protagonists of the Futurists movement.
[9] In 2017, Mannocci participated in the "Shared Sacred Sites" project showing work in the Macedonian Museum of Contemporary Art in Thessaloniki, Greece.
[13] On the occasion of the 2007 exhibition, Gli amici pittori di Londra, he wrote the accompanying catalogue, published by Lubrina Editore, Bergamo.
In 2008, following a visit to New Delhi and Mumbai, he wrote Madre India, Padre Barbiere,[14] a text on the experience of the journey and personal memories, alongside photographs of Indian barbers, for Skira Imprint.
In 2019, he wrote Scene da un matrimonio fuțurista: Gino Severini sposa Jeanne Fort a Parigi nel 1913, published by affinità elettive, Ancona.