"Seven Keys to Baldpate" is an exciting detective novel by the famous American writer Earl Derr Biggers. In this book, the author offers the reader an exciting story that combines elements of horror, mysteries and unpredictable turns of events. The protagonist of the novel arrives at the famous Baldpait Hotel, where, according to legend, only one key is open. However, the author, who did not invent anything, guides the main character through scenarios written at night and riddles that are difficult to solve. "Seven Keys to Baldpait" is a book that keeps you in suspense from the first page to the last, leaving the reader delighted with each new discovery.