Colomer is a master essayist who portrays the everyday human soul and how it is affected by issues such as globalisation, technologies that encourage virtual relationships, and the loss of sociability. He analyses death and suicide in today's society in his trilogy Trilogía de la muerte urbana: La calle de los suicidios (2000), Mimodrama de una ciudad muerta (2004); and Los bosques de Upsala (published in English as Uppsala Woods, 2009). In the genre of essays, he has undertaken insightful analyses of prostitution in Se alquila una mujer (2002) and of how history has influenced places such as Auschwitz, Chernobyl, Guernica, Transylvania and Lourdes in Guardianes de la memoria (2007). Colomer (Barcelona, 1973) is editorial director of the magazine Zenda and a regular contributor to La Vanguardia and Cadena Ser. In 2010, he won the Enerclub Prize for an article published in El Mundo magazine. He also teaches on the Master's Degree in Publishing at the Barcelona School of Management at Pompeu Fabra University.