"On the Heights of Beulah" is an exciting detective novel by Reginald Hill, part of the Detective Dahl series. This book combines tension, unexpected plot twists and complex relationships between characters. Detective Dahl this time investigates the disappearance of three children in a small town in the north-west of England. Looking for answers, he finds himself faced with difficult moral dilemmas and doubts. The reader has the opportunity, together with the main character, to touch the dark sides of human nature and reveal the secrets hidden in ordinary people. "At the height of Beulah" is a book that provokes thoughts, impresses with an unpredictable ending and leaves a mark in the hearts of its readers.