why did marian hale write his book "dark water rising" in first person point of view? will upvote everything an i mean everything!

Because he wanted the reader to understand her writings through the first point of view words. He also wanted the reader to be more tense throughout the story. Be seeing the book through the author's eyes the reader can also determine what foreshadows and what will be accomplished in the book. 

Explanation:wants Me to go take her to watch