Claim: Matthew Tree contributes to newspapers and magazines such as Catalonia Today and has declared his support for Catalan independence.
Evidence: Apart from publishing both fiction and non-fiction, he is a contributor to various newspapers and magazines such as Catalonia Today, The Times Literary Supplement, Barcelona INK, Altaïr, El Punt Avui and L'Esguard. Politically, Tree has declared his support for Catalan independence.