Set in the beautiful city of Zurich and full of glorious descriptions of well-cooked and thoughtfully presented food, Deep Dark Blue deals with the subject of genetic manipulation. . . Quietly shocking and full of intriguing information, this novel shows how much more there is to Zurich than secretive bankers - Literary Review

Elegantly written and featuring a warm and interesting woman as the investigator and an unfamiliar but lovely city brought to vivid life, Deep Dark Blue is highly recommended -- Irish Independent

Seraina Kobler is a Swiss novelist with an unusual heroine... takes us to the cutting edge... Kobler combines a surprising plot with sensuous descriptions of what her characters cook during pauses in the investigation - The Sunday Times

This is not a conventional police procedural. Seraina Kobler is, though, clearly following in the wake of Donna Leon . . . A highly intriguing debut -- Crime Book of the Month - The Times

Seraina Kobler has written a compelling thriller - WDR2

A gripping crime novel that still makes a holiday in Zurich sound like fun - Westdeutsche Allgemeine Zeitung

In her crime novel, Seraina Kobler has found a calm and unhurried language - Sonntag

Seraina Kobler knows how to build tension - Neue Zürcher Zeitung

Set in Zurich and full of delectable descriptions of food, this police procedural features maritime officer Rosa Zambrano and deals with the possibilities and dangers of genetic manipulation - Literary Review, Crime Novels of the Year

Seraina Kobler, born in Locarno in 1982, studied linguistic and cultural studies before working as a journalist for publications including the Neue Zürcher Zeitung. 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 lives with her family, and works, in Zurich and Lausanne.