"Coplan" is an exciting book written by the famous writer Stephen King. This is a detective thriller that keeps the reader in suspense from the first page to the last. The main character, police officer John Coplan, investigates a series of mysterious crimes taking place in a quiet town. His fearlessness, ingenuity and exceptional analytical skills help solve complex cases and prove that he is a true professional in his field. Crime, betrayal, danger - all this is intertwined in the fascinating story of "Koplan", which will capture you from the first lines and will not let you go until the last page.