"The Disappearance of Betty Varian" is an exciting detective novel by the popular American writer Carolyn Wells. In this book, readers will immerse themselves in the unpredictable events and mysteries surrounding the mysterious disappearance of a young woman named Betty Varian. The author skillfully reveals the characters of the characters, creating a tense atmosphere in society where everyone can be a suspect. Will the detective be able to solve this mystery and find the missing Betty? Read the book "The Disappearance of Betty Varian" and find out the answer to this question.