"Sam's Ghost: Deep Water, Part 4" is an exciting novel by the famous English writer William Wymark Jacobs. In this part of the book, the main character, Sam, finds himself in the very center of dangerous adventures and unusual events. He once again encounters the mysterious ghost that haunted him throughout the previous book. It is in this part that readers will learn a lot of interesting things about Sam's past and the secrets that lie in the depths of the dark waters. The author skillfully combines tension, mystery and inner battles of the characters, which makes this book incredibly exciting for readers of all ages.