Seraina Kobler, born in Locarno in 1982, studied linguistic and cultural studies before working as a journalist for publications including the Neue Zürcher Zeitung. Eventually setting up as a freelance author, in 2020 she published her debut novel, Regenschatten. Her first Zurich-based crime novel featuring officer Rosa Zambrano, Deep Dark Blue, spent months on the Swiss bestseller lists. Seraina Kobler lives with her family in Zurich.