The book "On the Edge of Breaking" by Mary Roberts Rinehart tells the complicated story of a small town, where a crime related to big family secrets takes place. The main character, the famous detective Saratonia Flemming, delves into the complicated circumstances of this case, trying to uncover the truth and bring the culprits to justice. This book is full of tension, incredible turns of events and unexpected solutions, which leaves the reader in tense anticipation of the development of events until the last page. "On the verge of breaking" will be an exciting discovery for fans of the detective genre and lovers of exciting stories.