Armadale.

The novel follows two men. Both are named Allan Armadale. Their lives connect through family history. One receives an estate on the Norfolk Broads. The other arrives with few prospects. He has spent time abroad. Several characters keep records. These include letters and diaries. A doctor adds his notes. Collins draws the story from these papers. The action moves between city and country. It also reaches other countries. Earlier events shape what happens next. The book shows how the past stays present.