The Adventures of Tintin beginning in 2006 with "Tintin". It was a set of six different euro coins honouring Hergé: three 1½-euro silver coins featuring Tintin and the Professor, Tintin and Captain Haddock, and Tintin and Chang; a €10 (gold) featuring Tintin; and a €20 (silver) and a €50 (gold) featuring Tintin and Snowy. In 2007, on Hergé's centenary, Belgium issued its €20 (silver) Hergé/Tintin coin. During Hergé's lifetime, parodies were produced of the "Adventures of Tintin", with one of the earliest appearing in Belgian newspaper "La Patrie" after the liberation of the country from Nazi German occupation in September 1944. Entitled (""Tintin in
The Adventures of Tintin 60 Years of Adventure" (1989), "Tintin: The Complete Companion" (2001), "Tintin & Co." (2007) and "The Adventures of Hergé" (2007), while English television producer Harry Thompson authored "Tintin: Hergé and his Creation" (1991). Literary critics, primarily in French-speaking Europe, have also examined "The Adventures of Tintin". In 1984, Jean-Marie Apostolidès published his study of the "Adventures of Tintin" from a more "adult" perspective as "Les Métamorphoses de Tintin", published in English as "The Metamorphoses of Tintin, or Tintin for Adults" in 2010. In reviewing Apostolidès' book, Nathan Perl-Rosenthal of "The New Republic" thought that it was "not for the faint