His experiences as a supervisor of animation work by studios in Asia were recounted in two graphic novels, Shenzhen: A Travelogue from China (2000) and Pyongyang: A Journey in North Korea (2003).

They have been translated into many languages, including Burmese, Croatian, Czech, English, Finnish, German, Italian, Polish, Portuguese and Spanish.

[citation needed] A film version of Pyongyang starring Steve Carell was cancelled in December 2014 after the Sony Pictures Entertainment hack.

[4] This stay was recounted in Chroniques de Jerusalem (2011) which won the Angoulême International Comics Festival Prize for Best Album in 2012.

[7][8] The graphic novel depicts the true story of Christophe André, a Médecins Sans Frontières administrator who was kidnapped in the Caucasus Region in 1997.