Distress Signals
The day Adam Dunne's girlfriend, Sarah, fails to return from a Barcelona business trip, his perfect life begins to fall apart. Days later, the arrival of her passport and a note that reads "I'm sorry--S" sets off real alarm bells. He vows to do whatever it takes to find her.
Adam is puzzled when he connects Sarah to a cruise ship called the Celebrate--and to a woman, Estelle, who disappeared from the same ship in eerily similar circumstances almost exactly a year before.
To get answers, Adam must confront some difficult truths about his relationship with Sarah. He must do things of which he never thought himself capable. And he must try to outwit a predator who seems to have found the perfect hunting ground ...
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Catherine Ryan Howard
Catherine Ryan Howard is an award-winning, no. 1 bestselling thriller writer from Cork, Ireland. Her novels have been included in the New York Times Best Thrillers of the Year, the Washington Post’s Best Mysteries and Thrillers of the Year and the Sunday Times Best Thrillers of the Year. Her work has been shortlisted for the Edgar Award for Best Novel, the CWA New Blood and Ian Fleming Steel Daggers, and the Irish Crime Fiction Book of the Year multiple times. She is published in 20 languages and a number of titles are being developed for screen. An adaptation of her lockdown thriller, 56 DAYS, starring Dove Cameron and Avan Jogia, will debut exclusively on Amazon Prime Video in early 2026. She lives in Dublin.
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