Katja Alves was born in Coimbra, Portugal, and grew up in Switzerland. She is among the best known Swiss children’s book authors. She works as a bookseller, inventor of games, DJ, radio editor, columnist and copy editor. Her first children’s novel, Beste Freundin dringend gesucht (Wanted – A Best Friend!), was published by Beltz & Gelberg in 2010. Her successful series Der Muffin-Club (The Muffin-Club) has sold over 150,000 copies and has been translated into numerous languages. Katja Alves lives with her family in Zurich.