Publication date
August 2022
Format info
398 pages



Detective Linda Toivonen takes the lead as danger hits close to home this time in the gripping, fourth instalment of the series by the Glass Key nominated, Der Spiegel bestseller author.

THE OATH, winner of the 2020 Johtolanka Prize for Crime Novel of the Year, propelled Arttu Tuominen’s crime series to heady heights and earned him a nomination for the prestigious 2021 Glass Key Award. JEOPARDY and then, SILENCED followed, raising the bar even higher. Now comes SHAMED, the fourth, standalone book in the River Delta series.Detective Linda Toivonen is assigned a case of a missing girl which turns into a homicide when the girl’s body is found tangled up in a fishing trap in the river estuary. It transpires the girl was leading a double life, dating older men who she had met online, where you can be anyone you like– so much so that danger can slip in undetected. Linda’s concerns for her own daughter’s safety grow—but can she recognise the dangers before it’s too late and the killer claims another victim?

Arttu Tuominen (b. 1981) is a Finnish environmental inspector moonlighting as a crime writer. Tuominen was awarded the Johtolanka Prize for The Oath, garnering praise for the novel’s cleverly constructed flashbacks and realistic dialogue, making him eligible for the Glass Key Award. Tuominen’s writing is distinctive for giving a compassionate and relatable voice to those on both sides of the law. He lives in the south-western Finnish town of Pori with his family.


The Oath, 2019
Jeopardy, 2020
Silenced, 2021
Shamed, 2022


Finnish Edition
English Sample Translation tk
Series Outline Books 1-6
Author Letter

Prizes and nominations

Winner of the Storytel award 2022 as best audio book of the year in category crime & thriller
Winner of the Johtolanka Prize for Crime Novel of the Year 2020
Nominated for the Glass Key Award 2021

Rights sold

German (Bastei Lübbe)


French (La Martinière)
Italian (Piemme)
Swedish (Lind & Co)

Praise & Reviews

“Excellent reading!”  BTJ, Sweden

“Undoubtedly harsh, but in its own way it’s also chillingly elegant. Tuominen has brought a certain peculiarity to Nordic detective stories, making him an international relevant crime fiction author.” — Pertti Avola, Helsingin Sanomat newspaper

“Finland’s most talented crime fiction author again transcends genres in his latest book… A captivating and surprising read from the master of his field.” — Kai Hirvasnoro, Kansan Uutiset newspaper