por Parsons, Paul, 1971- [editor] | Rodríguez Arias, Alfonso [traductor] | Al-Khalili, Jim, 1962- [colaborador] | Brooks, Michael [colaborador] | Gribbin, John R [colaborador] | Jarett, Christian [colaborador] | Matthews, Robert [colaborador] | McGuire, Bill [colaborador] | Ridley, Mark [colaborador].
por Brown, Richard [autor] | Brown, Richard. 30 second maths | Elwes, Richard [colaborador] | Fathauer, Robert [colaborador] | Haight, John [colaborador] | Perry, David [colaborador] | Pommersheim, Jamie [colaborador] | Hissey, Ivan [ilustrador] | Rodríguez Arias, Alfonso [traductor].