"Controversial Beach Vacationers: or The Mystery of the Mill" is an exciting adventure from author Ruel Perley Smith. In this book, traveling children meet in the summer to spend time together by the lake. However, a peaceful summer turns into a really exciting test when the heroes come across mysterious events related to the local mill. Investigating this mystery requires courage, intelligence and cooperation. Will the children be able to solve the riddle of the mill and save their true friendship? "Controversial Vacationers on the Shore: or The Mystery of the Mill" is an exciting book that will captivate the young reader and leave him with an unforgettable impression.