Ostensibly, prosecutors are taking issue with the book's cover, arguing that the image — a tiger sporting Sweden's national colours of blue and yellow — infringes on the copyright of a war-time propaganda campaign, now owned by a museum.
But the author, comedian Aron Flam, who is known for his penchant for controversial and even taboo subjects, insists that his use of the image is satirical and therefore protected by freedom of speech.
“There is a lot at stake and it's not actually about me, but our democracy,” Flam told AFP.
At the centre of the legal battle is the image of the tiger originally used in a 1941 Swedish propaganda campaign under the slogan, “En svensk tiger”, or “A Swedish tiger”.
The word “tiger” in Swedish can denote not only the animal, but can also mean to remain silent.
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In fact, the Swedish campaign very much resembled the “careless talk costs lives” and the “loose lips sink ships” posters seen in Britain and the United States during the war.
The original image was created by artist Bertil Almqvist and its copyright is currently owned by the Military Readiness Museum, which reported Flam to the police.
However, the comedian argues that the cover image of his book, entitled “This is a Swedish tiger”, shows the animal wearing a Swastika armband and performing a Nazi salute and can therefore be classified as satire.
The first two print runs of the book have been sold, but prosecutors have seized the subsequent run of 2,000 copies and, unusually for Sweden, want to destroy them.
In a statement, prosecutors said they would have to weigh the rights of the copyright holder against freedom of speech.
“The court will make the final judgment between these opposing interests,” prosecutor David Ludvigsson said in a statement.