Get ready to be totally gripped by the suspense-packed and atmospheric new thriller from theSunday Timesbestselling author ofThe Girl on the Train.*****’Blew me away. I want to read it againIMMEDIATELY. ‘ 5-STAR Reader Review**********Longlisted for the TheakstonCrime Novel of the Year*****For twelve hours each day, the Scottish island of Eris is cut off from the mainland. No way in.No way out.The island’s only house is home to Grace – content in her own isolation, guarding the island’s past. But when a shocking discovery is made in an art gallery in London, Grace receives an unexpected visitor. And the secrets of Eris threaten to emerge.Suddenly, this is a very dangerous time to be alone . . .**INCLUDES A BONUS SHORT STORY FROM THE AUTHOR**Readers are OBSESSED withThe Blue Hour!’I soaked upEVERY BITof this book, savoured every word . . . Brilliant!’ 5-STAR Reader Review’An irresistible,GRIPPINGstory that I was completely immersed in from page one.’ 5-STAR Reader ReviewIntensely dark, with a brilliant ending. I absolutelyLOVEDit! 5-STAR READER REVIEW’Gorgeous andchilling.’ SHARI LAPENA, bestselling author ofShe Didn’t See it ComingUnnervinglyunputdownable.Independent’Thebest Paula Hawkins yet- by a tense and haunting mile’ LEE CHILD, bestselling author of the Jack Reacher series’Extremely hard to put down’ MICK HERRON, bestselling author ofSlow Horses’Atwisty, dark thriller, this is Paula Hawkins’ best book sinceThe Girl on the Train’RED’Unforgiving andirresistible’VAL McDERMID, bestselling author of the detective Karen Pirie series’REALLY good.Highly recommended! MARIAN KEYES, bestselling author ofMy Favourite Mistake**WINNER of Good Housekeeping UK’s GH GOOD BOOKS Collection**The Girl on the Train, global No.1 bestseller,The BooksellerFeb 2024Paula Hawkins,Sunday Timesbestseller, September 2025[Cover may vary]